Home / 185,266,337.47-277,984,330.70-80,253,789.61

Finding the Fourth Proportional to 185,266,337.47, 277,984,330.70 and 80,253,789.61

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Solution

The fourth proportional to 185,266,337.47, 277,984,330.70 and 80,253,789.61 is: 120,417,428.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,266,337.47 : 277,984,330.70 = 80,253,789.61 : x
  2. Step 2: Convert to fraction form
    185,266,337.47/277,984,330.70 = 80,253,789.61/x
  3. Step 3: Cross multiply
    185,266,337.47x = 277,984,330.70 × 80,253,789.61
  4. Step 4: Simplify right side
    185,266,337.47x = 22,309,295,990,874,464
  5. Step 5: Solve for x
    x = 22,309,295,990,874,464/185,266,337.47
  6. Step 6: Final answer
    x = 120,417,428.74

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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.