Home / 157,801,654.92-217,747,421.16-87,227,731.11

Finding the Fourth Proportional to 157,801,654.92, 217,747,421.16 and 87,227,731.11

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Solution

The fourth proportional to 157,801,654.92, 217,747,421.16 and 87,227,731.11 is: 120,363,842.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,801,654.92 : 217,747,421.16 = 87,227,731.11 : x
  2. Step 2: Convert to fraction form
    157,801,654.92/217,747,421.16 = 87,227,731.11/x
  3. Step 3: Cross multiply
    157,801,654.92x = 217,747,421.16 × 87,227,731.11
  4. Step 4: Simplify right side
    157,801,654.92x = 18,993,613,502,840,404
  5. Step 5: Solve for x
    x = 18,993,613,502,840,404/157,801,654.92
  6. Step 6: Final answer
    x = 120,363,842.27

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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.