Home / 165,754,755-228,757,724.64-123,866,082.90

Finding the Fourth Proportional to 165,754,755, 228,757,724.64 and 123,866,082.90

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Solution

The fourth proportional to 165,754,755, 228,757,724.64 and 123,866,082.90 is: 170,947,272.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,754,755 : 228,757,724.64 = 123,866,082.90 : x
  2. Step 2: Convert to fraction form
    165,754,755/228,757,724.64 = 123,866,082.90/x
  3. Step 3: Cross multiply
    165,754,755x = 228,757,724.64 × 123,866,082.90
  4. Step 4: Simplify right side
    165,754,755x = 28,335,323,284,273,612
  5. Step 5: Solve for x
    x = 28,335,323,284,273,612/165,754,755
  6. Step 6: Final answer
    x = 170,947,272.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.