Home / 278,541,736.62-384,391,079.19-153,107,627.10

Finding the Fourth Proportional to 278,541,736.62, 384,391,079.19 and 153,107,627.10

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Solution

The fourth proportional to 278,541,736.62, 384,391,079.19 and 153,107,627.10 is: 211,290,439.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,541,736.62 : 384,391,079.19 = 153,107,627.10 : x
  2. Step 2: Convert to fraction form
    278,541,736.62/384,391,079.19 = 153,107,627.10/x
  3. Step 3: Cross multiply
    278,541,736.62x = 384,391,079.19 × 153,107,627.10
  4. Step 4: Simplify right side
    278,541,736.62x = 58,853,206,013,189,088
  5. Step 5: Solve for x
    x = 58,853,206,013,189,088/278,541,736.62
  6. Step 6: Final answer
    x = 211,290,439.73

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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.