Since 1 US Dollar is equal to 160.494336 Pakistani Rupees, we could say that n United States Dollars are equal to 160.494336 times n Pakistani Rupees. In other words, we could use the following formula:
Pakistani Rupees = United States Dollars x 160.494336
For example, let's say that we want to convert 2 United States Dollars to Pakistani Rupees. Then, we just replace United States Dollars in the abovementioned formula with 2:
Pakistani Rupees = 2 x 160.494336
That is, 2 United States Dollars are equal to 320.988672 Pakistani Rupees.