Home / 138,454,217.38-207,604,654.63-56,630,553.89

Finding the Fourth Proportional to 138,454,217.38, 207,604,654.63 and 56,630,553.89

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Solution

The fourth proportional to 138,454,217.38, 207,604,654.63 and 56,630,553.89 is: 84,914,470.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,454,217.38 : 207,604,654.63 = 56,630,553.89 : x
  2. Step 2: Convert to fraction form
    138,454,217.38/207,604,654.63 = 56,630,553.89/x
  3. Step 3: Cross multiply
    138,454,217.38x = 207,604,654.63 × 56,630,553.89
  4. Step 4: Simplify right side
    138,454,217.38x = 11,756,766,581,827,230
  5. Step 5: Solve for x
    x = 11,756,766,581,827,230/138,454,217.38
  6. Step 6: Final answer
    x = 84,914,470.68

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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.