Finding the Fourth Proportional to 78,968,140,934.85, 118,448,039,585.47 and 25,902,184,019.49

Step by Step Solution

1. Step 1: Write the proportion equation
   78,968,140,934.85 : 118,448,039,585.47 = 25,902,184,019.49 : x
2. Step 2: Convert to fraction form
   78,968,140,934.85/118,448,039,585.47 = 25,902,184,019.49/x
3. Step 3: Cross multiply
   78,968,140,934.85x = 118,448,039,585.47 × 25,902,184,019.49
4. Step 4: Simplify right side
   78,968,140,934.85x = 3,068,062,918,090,680,172,544
5. Step 5: Solve for x
   x = 3,068,062,918,090,680,172,544/78,968,140,934.85
6. Step 6: Final answer
   x = 38,851,907,639.84