Home / 198,011,207.10-297,123,098.85-83,007,374.70

Finding the Fourth Proportional to 198,011,207.10, 297,123,098.85 and 83,007,374.70

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Solution

The fourth proportional to 198,011,207.10, 297,123,098.85 and 83,007,374.70 is: 124,555,618.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,011,207.10 : 297,123,098.85 = 83,007,374.70 : x
  2. Step 2: Convert to fraction form
    198,011,207.10/297,123,098.85 = 83,007,374.70/x
  3. Step 3: Cross multiply
    198,011,207.10x = 297,123,098.85 × 83,007,374.70
  4. Step 4: Simplify right side
    198,011,207.10x = 24,663,408,398,267,092
  5. Step 5: Solve for x
    x = 24,663,408,398,267,092/198,011,207.10
  6. Step 6: Final answer
    x = 124,555,618.64

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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.