Home / 107,892,003.70-161,838,005.55-71,541,439.30

Finding the Fourth Proportional to 107,892,003.70, 161,838,005.55 and 71,541,439.30

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Solution

The fourth proportional to 107,892,003.70, 161,838,005.55 and 71,541,439.30 is: 107,312,158.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,892,003.70 : 161,838,005.55 = 71,541,439.30 : x
  2. Step 2: Convert to fraction form
    107,892,003.70/161,838,005.55 = 71,541,439.30/x
  3. Step 3: Cross multiply
    107,892,003.70x = 161,838,005.55 × 71,541,439.30
  4. Step 4: Simplify right side
    107,892,003.70x = 11,578,123,850,488,388
  5. Step 5: Solve for x
    x = 11,578,123,850,488,388/107,892,003.70
  6. Step 6: Final answer
    x = 107,312,158.95

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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.