Finding the Fourth Proportional to 152,045,669,713.67, 209,823,231,985.47 and 82,521,311,648.61

Step by Step Solution

1. Step 1: Write the proportion equation
   152,045,669,713.67 : 209,823,231,985.47 = 82,521,311,648.61 : x
2. Step 2: Convert to fraction form
   152,045,669,713.67/209,823,231,985.47 = 82,521,311,648.61/x
3. Step 3: Cross multiply
   152,045,669,713.67x = 209,823,231,985.47 × 82,521,311,648.61
4. Step 4: Simplify right side
   152,045,669,713.67x = 17,314,888,317,791,564,201,984
5. Step 5: Solve for x
   x = 17,314,888,317,791,564,201,984/152,045,669,713.67
6. Step 6: Final answer
   x = 113,879,522,845.99