Finding the Fourth Proportional to 120,140,227,096.15, 165,793,636,091.61 and 65,207,411,448.30

Step by Step Solution

1. Step 1: Write the proportion equation
   120,140,227,096.15 : 165,793,636,091.61 = 65,207,411,448.30 : x
2. Step 2: Convert to fraction form
   120,140,227,096.15/165,793,636,091.61 = 65,207,411,448.30/x
3. Step 3: Cross multiply
   120,140,227,096.15x = 165,793,636,091.61 × 65,207,411,448.30
4. Step 4: Simplify right side
   120,140,227,096.15x = 10,810,973,844,134,669,844,480
5. Step 5: Solve for x
   x = 10,810,973,844,134,669,844,480/120,140,227,096.15
6. Step 6: Final answer
   x = 89,986,294,394.82