Home / 402,672,031.46-604,008,747.83-126,344,451.76

Finding the Fourth Proportional to 402,672,031.46, 604,008,747.83 and 126,344,451.76

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Solution

The fourth proportional to 402,672,031.46, 604,008,747.83 and 126,344,451.76 is: 189,516,897.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,672,031.46 : 604,008,747.83 = 126,344,451.76 : x
  2. Step 2: Convert to fraction form
    402,672,031.46/604,008,747.83 = 126,344,451.76/x
  3. Step 3: Cross multiply
    402,672,031.46x = 604,008,747.83 × 126,344,451.76
  4. Step 4: Simplify right side
    402,672,031.46x = 76,313,154,099,173,680
  5. Step 5: Solve for x
    x = 76,313,154,099,173,680/402,672,031.46
  6. Step 6: Final answer
    x = 189,516,897.47

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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.