Home / 159,251,678.74-219,753,306.03-88,681,956.40

Finding the Fourth Proportional to 159,251,678.74, 219,753,306.03 and 88,681,956.40

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Solution

The fourth proportional to 159,251,678.74, 219,753,306.03 and 88,681,956.40 is: 122,373,297.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,251,678.74 : 219,753,306.03 = 88,681,956.40 : x
  2. Step 2: Convert to fraction form
    159,251,678.74/219,753,306.03 = 88,681,956.40/x
  3. Step 3: Cross multiply
    159,251,678.74x = 219,753,306.03 × 88,681,956.40
  4. Step 4: Simplify right side
    159,251,678.74x = 19,488,153,104,108,320
  5. Step 5: Solve for x
    x = 19,488,153,104,108,320/159,251,678.74
  6. Step 6: Final answer
    x = 122,373,297.78

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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.