Finding the Fourth Proportional to 142,003,089,031.94, 195,970,422,855.77 and 78,638,315,719.94

Step by Step Solution

1. Step 1: Write the proportion equation
   142,003,089,031.94 : 195,970,422,855.77 = 78,638,315,719.94 : x
2. Step 2: Convert to fraction form
   142,003,089,031.94/195,970,422,855.77 = 78,638,315,719.94/x
3. Step 3: Cross multiply
   142,003,089,031.94x = 195,970,422,855.77 × 78,638,315,719.94
4. Step 4: Simplify right side
   142,003,089,031.94x = 15,410,783,984,302,187,085,824
5. Step 5: Solve for x
   x = 15,410,783,984,302,187,085,824/142,003,089,031.94
6. Step 6: Final answer
   x = 108,524,286,967.00