Home / 87,785,581.46-121,142,726.15-48,092,799.92

Finding the Fourth Proportional to 87,785,581.46, 121,142,726.15 and 48,092,799.92

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Solution

The fourth proportional to 87,785,581.46, 121,142,726.15 and 48,092,799.92 is: 66,367,309.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,785,581.46 : 121,142,726.15 = 48,092,799.92 : x
  2. Step 2: Convert to fraction form
    87,785,581.46/121,142,726.15 = 48,092,799.92/x
  3. Step 3: Cross multiply
    87,785,581.46x = 121,142,726.15 × 48,092,799.92
  4. Step 4: Simplify right side
    87,785,581.46x = 5,826,092,889,649,124
  5. Step 5: Solve for x
    x = 5,826,092,889,649,124/87,785,581.46
  6. Step 6: Final answer
    x = 66,367,309.91

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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.