Home / 72,687,610.20-109,031,415.30-59,773,593.90

Finding the Fourth Proportional to 72,687,610.20, 109,031,415.30 and 59,773,593.90

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Solution

The fourth proportional to 72,687,610.20, 109,031,415.30 and 59,773,593.90 is: 89,660,390.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,687,610.20 : 109,031,415.30 = 59,773,593.90 : x
  2. Step 2: Convert to fraction form
    72,687,610.20/109,031,415.30 = 59,773,593.90/x
  3. Step 3: Cross multiply
    72,687,610.20x = 109,031,415.30 × 59,773,593.90
  4. Step 4: Simplify right side
    72,687,610.20x = 6,517,199,540,484,446
  5. Step 5: Solve for x
    x = 6,517,199,540,484,446/72,687,610.20
  6. Step 6: Final answer
    x = 89,660,390.85

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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.