Home / 356,576,898.20-534,902,036.07-123,407,200.95

Finding the Fourth Proportional to 356,576,898.20, 534,902,036.07 and 123,407,200.95

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Solution

The fourth proportional to 356,576,898.20, 534,902,036.07 and 123,407,200.95 is: 185,123,498.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,576,898.20 : 534,902,036.07 = 123,407,200.95 : x
  2. Step 2: Convert to fraction form
    356,576,898.20/534,902,036.07 = 123,407,200.95/x
  3. Step 3: Cross multiply
    356,576,898.20x = 534,902,036.07 × 123,407,200.95
  4. Step 4: Simplify right side
    356,576,898.20x = 66,010,763,053,854,640
  5. Step 5: Solve for x
    x = 66,010,763,053,854,640/356,576,898.20
  6. Step 6: Final answer
    x = 185,123,498.99

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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.