Finding the Fourth Proportional to 87,946,199,306.29, 121,356,043,942.72 and 49,356,268,155.09

Step by Step Solution

1. Step 1: Write the proportion equation
   87,946,199,306.29 : 121,356,043,942.72 = 49,356,268,155.09 : x
2. Step 2: Convert to fraction form
   87,946,199,306.29/121,356,043,942.72 = 49,356,268,155.09/x
3. Step 3: Cross multiply
   87,946,199,306.29x = 121,356,043,942.72 × 49,356,268,155.09
4. Step 4: Simplify right side
   87,946,199,306.29x = 5,989,681,447,077,773,574,144
5. Step 5: Solve for x
   x = 5,989,681,447,077,773,574,144/87,946,199,306.29
6. Step 6: Final answer
   x = 68,106,200,089.64