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Finding the Fourth Proportional to 198,208,978.72, 296,860,580.44 and 94,650,724.55

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Solution

The fourth proportional to 198,208,978.72, 296,860,580.44 and 94,650,724.55 is: 141,759,819.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,208,978.72 : 296,860,580.44 = 94,650,724.55 : x
  2. Step 2: Convert to fraction form
    198,208,978.72/296,860,580.44 = 94,650,724.55/x
  3. Step 3: Cross multiply
    198,208,978.72x = 296,860,580.44 × 94,650,724.55
  4. Step 4: Simplify right side
    198,208,978.72x = 28,098,069,029,485,080
  5. Step 5: Solve for x
    x = 28,098,069,029,485,080/198,208,978.72
  6. Step 6: Final answer
    x = 141,759,819.42

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