Home / 318,192,957.87-439,144,508.24-192,741,472.87

Finding the Fourth Proportional to 318,192,957.87, 439,144,508.24 and 192,741,472.87

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Solution

The fourth proportional to 318,192,957.87, 439,144,508.24 and 192,741,472.87 is: 266,006,387.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,192,957.87 : 439,144,508.24 = 192,741,472.87 : x
  2. Step 2: Convert to fraction form
    318,192,957.87/439,144,508.24 = 192,741,472.87/x
  3. Step 3: Cross multiply
    318,192,957.87x = 439,144,508.24 × 192,741,472.87
  4. Step 4: Simplify right side
    318,192,957.87x = 84,641,359,320,229,856
  5. Step 5: Solve for x
    x = 84,641,359,320,229,856/318,192,957.87
  6. Step 6: Final answer
    x = 266,006,387.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.