Finding the Fourth Proportional to 81,147,188,136.98, 111,936,594,091.02 and 50,610,356,046.54

Step by Step Solution

1. Step 1: Write the proportion equation
   81,147,188,136.98 : 111,936,594,091.02 = 50,610,356,046.54 : x
2. Step 2: Convert to fraction form
   81,147,188,136.98/111,936,594,091.02 = 50,610,356,046.54/x
3. Step 3: Cross multiply
   81,147,188,136.98x = 111,936,594,091.02 × 50,610,356,046.54
4. Step 4: Simplify right side
   81,147,188,136.98x = 5,665,150,881,583,548,334,080
5. Step 5: Solve for x
   x = 5,665,150,881,583,548,334,080/81,147,188,136.98
6. Step 6: Final answer
   x = 69,813,274,022.76