Home / 143,678,874-215,520,177.24-47,940,762

Finding the Fourth Proportional to 143,678,874, 215,520,177.24 and 47,940,762

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Solution

The fourth proportional to 143,678,874, 215,520,177.24 and 47,940,762 is: 71,911,765.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,678,874 : 215,520,177.24 = 47,940,762 : x
  2. Step 2: Convert to fraction form
    143,678,874/215,520,177.24 = 47,940,762/x
  3. Step 3: Cross multiply
    143,678,874x = 215,520,177.24 × 47,940,762
  4. Step 4: Simplify right side
    143,678,874x = 10,332,201,523,260,658
  5. Step 5: Solve for x
    x = 10,332,201,523,260,658/143,678,874
  6. Step 6: Final answer
    x = 71,911,765.70

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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.