Home / 178,413,902.71-267,633,752.94-74,678,778.56

Finding the Fourth Proportional to 178,413,902.71, 267,633,752.94 and 74,678,778.56

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Solution

The fourth proportional to 178,413,902.71, 267,633,752.94 and 74,678,778.56 is: 112,023,566.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,413,902.71 : 267,633,752.94 = 74,678,778.56 : x
  2. Step 2: Convert to fraction form
    178,413,902.71/267,633,752.94 = 74,678,778.56/x
  3. Step 3: Cross multiply
    178,413,902.71x = 267,633,752.94 × 74,678,778.56
  4. Step 4: Simplify right side
    178,413,902.71x = 19,986,561,770,614,616
  5. Step 5: Solve for x
    x = 19,986,561,770,614,616/178,413,902.71
  6. Step 6: Final answer
    x = 112,023,566.93

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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.