Finding the Fourth Proportional to 83,505,636,490.29, 115,241,573,085.55 and 49,212,790,384.65

Step by Step Solution

1. Step 1: Write the proportion equation
   83,505,636,490.29 : 115,241,573,085.55 = 49,212,790,384.65 : x
2. Step 2: Convert to fraction form
   83,505,636,490.29/115,241,573,085.55 = 49,212,790,384.65/x
3. Step 3: Cross multiply
   83,505,636,490.29x = 115,241,573,085.55 × 49,212,790,384.65
4. Step 4: Simplify right side
   83,505,636,490.29x = 5,671,359,379,856,495,214,592
5. Step 5: Solve for x
   x = 5,671,359,379,856,495,214,592/83,505,636,490.29
6. Step 6: Final answer
   x = 67,915,887,097.23