Home / 87,221,470.40-120,366,436.29-48,064,648.37

Finding the Fourth Proportional to 87,221,470.40, 120,366,436.29 and 48,064,648.37

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Solution

The fourth proportional to 87,221,470.40, 120,366,436.29 and 48,064,648.37 is: 66,329,659.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,221,470.40 : 120,366,436.29 = 48,064,648.37 : x
  2. Step 2: Convert to fraction form
    87,221,470.40/120,366,436.29 = 48,064,648.37/x
  3. Step 3: Cross multiply
    87,221,470.40x = 120,366,436.29 × 48,064,648.37
  4. Step 4: Simplify right side
    87,221,470.40x = 5,785,370,435,723,843
  5. Step 5: Solve for x
    x = 5,785,370,435,723,843/87,221,470.40
  6. Step 6: Final answer
    x = 66,329,659.53

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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.