Home / 52,158,020.65-71,974,468.01-28,951,320.78

Finding the Fourth Proportional to 52,158,020.65, 71,974,468.01 and 28,951,320.78

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Solution

The fourth proportional to 52,158,020.65, 71,974,468.01 and 28,951,320.78 is: 39,950,824.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,158,020.65 : 71,974,468.01 = 28,951,320.78 : x
  2. Step 2: Convert to fraction form
    52,158,020.65/71,974,468.01 = 28,951,320.78/x
  3. Step 3: Cross multiply
    52,158,020.65x = 71,974,468.01 × 28,951,320.78
  4. Step 4: Simplify right side
    52,158,020.65x = 2,083,755,911,399,736.75
  5. Step 5: Solve for x
    x = 2,083,755,911,399,736.75/52,158,020.65
  6. Step 6: Final answer
    x = 39,950,824.16

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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.