Home / 239,855,445.74-331,000,626.03-129,847,158.86

Finding the Fourth Proportional to 239,855,445.74, 331,000,626.03 and 129,847,158.86

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Solution

The fourth proportional to 239,855,445.74, 331,000,626.03 and 129,847,158.86 is: 179,189,139.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,855,445.74 : 331,000,626.03 = 129,847,158.86 : x
  2. Step 2: Convert to fraction form
    239,855,445.74/331,000,626.03 = 129,847,158.86/x
  3. Step 3: Cross multiply
    239,855,445.74x = 331,000,626.03 × 129,847,158.86
  4. Step 4: Simplify right side
    239,855,445.74x = 42,979,490,870,876,856
  5. Step 5: Solve for x
    x = 42,979,490,870,876,856/239,855,445.74
  6. Step 6: Final answer
    x = 179,189,139.27

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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.