Home / 143,676,502.10-215,514,753.15-86,233,634.90

Finding the Fourth Proportional to 143,676,502.10, 215,514,753.15 and 86,233,634.90

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Solution

The fourth proportional to 143,676,502.10, 215,514,753.15 and 86,233,634.90 is: 129,350,452.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,676,502.10 : 215,514,753.15 = 86,233,634.90 : x
  2. Step 2: Convert to fraction form
    143,676,502.10/215,514,753.15 = 86,233,634.90/x
  3. Step 3: Cross multiply
    143,676,502.10x = 215,514,753.15 × 86,233,634.90
  4. Step 4: Simplify right side
    143,676,502.10x = 18,584,620,538,700,728
  5. Step 5: Solve for x
    x = 18,584,620,538,700,728/143,676,502.10
  6. Step 6: Final answer
    x = 129,350,452.35

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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.