Finding the Fourth Proportional to 139,417,047,855.88, 209,221,097,405.92 and 48,658,464,143.55

Step by Step Solution

1. Step 1: Write the proportion equation
   139,417,047,855.88 : 209,221,097,405.92 = 48,658,464,143.55 : x
2. Step 2: Convert to fraction form
   139,417,047,855.88/209,221,097,405.92 = 48,658,464,143.55/x
3. Step 3: Cross multiply
   139,417,047,855.88x = 209,221,097,405.92 × 48,658,464,143.55
4. Step 4: Simplify right side
   139,417,047,855.88x = 10,180,377,266,200,141,365,248
5. Step 5: Solve for x
   x = 10,180,377,266,200,141,365,248/139,417,047,855.88
6. Step 6: Final answer
   x = 73,021,035,969.17