Since 1 South African Rand is equal to 0.05168747725104908 United States Dollars, we could say that n South African Rand are equal to 0.05168747725104908 times n United States Dollars. In other words, we could use the following formula:
United States Dollars = South African Rand x 0.05168747725104908
For example, let's say that we want to convert 2.0 South African Rand to United States Dollars. Then, we just replace South African Rand in the abovementioned formula with 2.0:
United States Dollars = 2.0 x 0.05168747725104908
That is, 2.0 South African Rand are equal to 0.10337495450209816 United States Dollars.