Home / 78,786,534.44-118,179,691.50-43,793,892.92

Finding the Fourth Proportional to 78,786,534.44, 118,179,691.50 and 43,793,892.92

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Solution

The fourth proportional to 78,786,534.44, 118,179,691.50 and 43,793,892.92 is: 65,690,778.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,786,534.44 : 118,179,691.50 = 43,793,892.92 : x
  2. Step 2: Convert to fraction form
    78,786,534.44/118,179,691.50 = 43,793,892.92/x
  3. Step 3: Cross multiply
    78,786,534.44x = 118,179,691.50 × 43,793,892.92
  4. Step 4: Simplify right side
    78,786,534.44x = 5,175,548,754,869,634
  5. Step 5: Solve for x
    x = 5,175,548,754,869,634/78,786,534.44
  6. Step 6: Final answer
    x = 65,690,778.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.