Home / 87,482,348.55-120,729,306.85-50,312,653.97

Finding the Fourth Proportional to 87,482,348.55, 120,729,306.85 and 50,312,653.97

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Solution

The fourth proportional to 87,482,348.55, 120,729,306.85 and 50,312,653.97 is: 69,433,570.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,482,348.55 : 120,729,306.85 = 50,312,653.97 : x
  2. Step 2: Convert to fraction form
    87,482,348.55/120,729,306.85 = 50,312,653.97/x
  3. Step 3: Cross multiply
    87,482,348.55x = 120,729,306.85 × 50,312,653.97
  4. Step 4: Simplify right side
    87,482,348.55x = 6,074,211,838,852,573
  5. Step 5: Solve for x
    x = 6,074,211,838,852,573/87,482,348.55
  6. Step 6: Final answer
    x = 69,433,570.77

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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.