Home / 80,376,175.24-110,981,600.14-61,761,974.29

Finding the Fourth Proportional to 80,376,175.24, 110,981,600.14 and 61,761,974.29

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Solution

The fourth proportional to 80,376,175.24, 110,981,600.14 and 61,761,974.29 is: 85,279,533.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,376,175.24 : 110,981,600.14 = 61,761,974.29 : x
  2. Step 2: Convert to fraction form
    80,376,175.24/110,981,600.14 = 61,761,974.29/x
  3. Step 3: Cross multiply
    80,376,175.24x = 110,981,600.14 × 61,761,974.29
  4. Step 4: Simplify right side
    80,376,175.24x = 6,854,442,734,509,740
  5. Step 5: Solve for x
    x = 6,854,442,734,509,740/80,376,175.24
  6. Step 6: Final answer
    x = 85,279,533.57

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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.