Home / 87,502,177.92-120,760,055.36-48,347,377.28

Finding the Fourth Proportional to 87,502,177.92, 120,760,055.36 and 48,347,377.28

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Solution

The fourth proportional to 87,502,177.92, 120,760,055.36 and 48,347,377.28 is: 66,723,275.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,502,177.92 : 120,760,055.36 = 48,347,377.28 : x
  2. Step 2: Convert to fraction form
    87,502,177.92/120,760,055.36 = 48,347,377.28/x
  3. Step 3: Cross multiply
    87,502,177.92x = 120,760,055.36 × 48,347,377.28
  4. Step 4: Simplify right side
    87,502,177.92x = 5,838,431,956,843,606
  5. Step 5: Solve for x
    x = 5,838,431,956,843,606/87,502,177.92
  6. Step 6: Final answer
    x = 66,723,275.87

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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.