Home / 80,752,923.36-111,439,488.15-45,945,613.89

Finding the Fourth Proportional to 80,752,923.36, 111,439,488.15 and 45,945,613.89

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Solution

The fourth proportional to 80,752,923.36, 111,439,488.15 and 45,945,613.89 is: 63,405,205.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,752,923.36 : 111,439,488.15 = 45,945,613.89 : x
  2. Step 2: Convert to fraction form
    80,752,923.36/111,439,488.15 = 45,945,613.89/x
  3. Step 3: Cross multiply
    80,752,923.36x = 111,439,488.15 × 45,945,613.89
  4. Step 4: Simplify right side
    80,752,923.36x = 5,120,155,694,639,131
  5. Step 5: Solve for x
    x = 5,120,155,694,639,131/80,752,923.36
  6. Step 6: Final answer
    x = 63,405,205.43

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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.