Home / 150,058,833.38-207,081,190.07-81,381,201.38

Finding the Fourth Proportional to 150,058,833.38, 207,081,190.07 and 81,381,201.38

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Solution

The fourth proportional to 150,058,833.38, 207,081,190.07 and 81,381,201.38 is: 112,306,057.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,058,833.38 : 207,081,190.07 = 81,381,201.38 : x
  2. Step 2: Convert to fraction form
    150,058,833.38/207,081,190.07 = 81,381,201.38/x
  3. Step 3: Cross multiply
    150,058,833.38x = 207,081,190.07 × 81,381,201.38
  4. Step 4: Simplify right side
    150,058,833.38x = 16,852,516,029,654,414
  5. Step 5: Solve for x
    x = 16,852,516,029,654,414/150,058,833.38
  6. Step 6: Final answer
    x = 112,306,057.90

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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.