Home / 99,853,312.10-149,779,968.15-81,713,459.30

Finding the Fourth Proportional to 99,853,312.10, 149,779,968.15 and 81,713,459.30

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Solution

The fourth proportional to 99,853,312.10, 149,779,968.15 and 81,713,459.30 is: 122,570,188.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,853,312.10 : 149,779,968.15 = 81,713,459.30 : x
  2. Step 2: Convert to fraction form
    99,853,312.10/149,779,968.15 = 81,713,459.30/x
  3. Step 3: Cross multiply
    99,853,312.10x = 149,779,968.15 × 81,713,459.30
  4. Step 4: Simplify right side
    99,853,312.10x = 12,239,039,331,380,322
  5. Step 5: Solve for x
    x = 12,239,039,331,380,322/99,853,312.10
  6. Step 6: Final answer
    x = 122,570,188.95

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