Home / 137,148,909.30-205,723,363.95-55,306,995.30

Finding the Fourth Proportional to 137,148,909.30, 205,723,363.95 and 55,306,995.30

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Solution

The fourth proportional to 137,148,909.30, 205,723,363.95 and 55,306,995.30 is: 82,960,492.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,148,909.30 : 205,723,363.95 = 55,306,995.30 : x
  2. Step 2: Convert to fraction form
    137,148,909.30/205,723,363.95 = 55,306,995.30/x
  3. Step 3: Cross multiply
    137,148,909.30x = 205,723,363.95 × 55,306,995.30
  4. Step 4: Simplify right side
    137,148,909.30x = 11,377,941,123,082,838
  5. Step 5: Solve for x
    x = 11,377,941,123,082,838/137,148,909.30
  6. Step 6: Final answer
    x = 82,960,492.95

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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.