Home / 80,376,174.24-110,981,598.76-61,761,973.29

Finding the Fourth Proportional to 80,376,174.24, 110,981,598.76 and 61,761,973.29

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Solution

The fourth proportional to 80,376,174.24, 110,981,598.76 and 61,761,973.29 is: 85,279,532.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,376,174.24 : 110,981,598.76 = 61,761,973.29 : x
  2. Step 2: Convert to fraction form
    80,376,174.24/110,981,598.76 = 61,761,973.29/x
  3. Step 3: Cross multiply
    80,376,174.24x = 110,981,598.76 × 61,761,973.29
  4. Step 4: Simplify right side
    80,376,174.24x = 6,854,442,538,296,617
  5. Step 5: Solve for x
    x = 6,854,442,538,296,617/80,376,174.24
  6. Step 6: Final answer
    x = 85,279,532.19

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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.