Home / 80,474,613.33-111,057,648.89-45,198,634.92

Finding the Fourth Proportional to 80,474,613.33, 111,057,648.89 and 45,198,634.92

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Solution

The fourth proportional to 80,474,613.33, 111,057,648.89 and 45,198,634.92 is: 62,375,622.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,474,613.33 : 111,057,648.89 = 45,198,634.92 : x
  2. Step 2: Convert to fraction form
    80,474,613.33/111,057,648.89 = 45,198,634.92/x
  3. Step 3: Cross multiply
    80,474,613.33x = 111,057,648.89 × 45,198,634.92
  4. Step 4: Simplify right side
    80,474,613.33x = 5,019,654,127,252,653
  5. Step 5: Solve for x
    x = 5,019,654,127,252,653/80,474,613.33
  6. Step 6: Final answer
    x = 62,375,622.81

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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.