Since 1 Pakistani Rupee is equal to 70.73506291460214 Belarusian Rubles, we could say that n Pakistani Rupees are equal to 70.73506291460214 times n Belarusian Rubles. In other words, we could use the following formula:
Belarusian Rubles = Pakistani Rupees x 70.73506291460214
For example, let's say that we want to convert 2.0 Pakistani Rupees to Belarusian Rubles. Then, we just replace Pakistani Rupees in the abovementioned formula with 2.0:
Belarusian Rubles = 2.0 x 70.73506291460214
That is, 2.0 Pakistani Rupees are equal to 141.47012582920428 Belarusian Rubles.