Home / 278,541,744.98-384,391,091.25-153,107,635.73

Finding the Fourth Proportional to 278,541,744.98, 384,391,091.25 and 153,107,635.73

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Solution

The fourth proportional to 278,541,744.98, 384,391,091.25 and 153,107,635.73 is: 211,290,451.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,541,744.98 : 384,391,091.25 = 153,107,635.73 : x
  2. Step 2: Convert to fraction form
    278,541,744.98/384,391,091.25 = 153,107,635.73/x
  3. Step 3: Cross multiply
    278,541,744.98x = 384,391,091.25 × 153,107,635.73
  4. Step 4: Simplify right side
    278,541,744.98x = 58,853,211,175,040,232
  5. Step 5: Solve for x
    x = 58,853,211,175,040,232/278,541,744.98
  6. Step 6: Final answer
    x = 211,290,451.92

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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.