Home / 257,548,843.70-386,323,265.55-155,260,229.30

Finding the Fourth Proportional to 257,548,843.70, 386,323,265.55 and 155,260,229.30

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Solution

The fourth proportional to 257,548,843.70, 386,323,265.55 and 155,260,229.30 is: 232,890,343.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,548,843.70 : 386,323,265.55 = 155,260,229.30 : x
  2. Step 2: Convert to fraction form
    257,548,843.70/386,323,265.55 = 155,260,229.30/x
  3. Step 3: Cross multiply
    257,548,843.70x = 386,323,265.55 × 155,260,229.30
  4. Step 4: Simplify right side
    257,548,843.70x = 59,980,638,793,217,800
  5. Step 5: Solve for x
    x = 59,980,638,793,217,800/257,548,843.70
  6. Step 6: Final answer
    x = 232,890,343.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.