Home / 178,890,906.57-268,342,338.56-49,487,680.28

Finding the Fourth Proportional to 178,890,906.57, 268,342,338.56 and 49,487,680.28

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Solution

The fourth proportional to 178,890,906.57, 268,342,338.56 and 49,487,680.28 is: 74,233,174.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,890,906.57 : 268,342,338.56 = 49,487,680.28 : x
  2. Step 2: Convert to fraction form
    178,890,906.57/268,342,338.56 = 49,487,680.28/x
  3. Step 3: Cross multiply
    178,890,906.57x = 268,342,338.56 × 49,487,680.28
  4. Step 4: Simplify right side
    178,890,906.57x = 13,279,639,854,655,646
  5. Step 5: Solve for x
    x = 13,279,639,854,655,646/178,890,906.57
  6. Step 6: Final answer
    x = 74,233,174.34

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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.