Home / 150,058,854.28-207,081,218.96-81,381,222.28

Finding the Fourth Proportional to 150,058,854.28, 207,081,218.96 and 81,381,222.28

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Solution

The fourth proportional to 150,058,854.28, 207,081,218.96 and 81,381,222.28 is: 112,306,086.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,058,854.28 : 207,081,218.96 = 81,381,222.28 : x
  2. Step 2: Convert to fraction form
    150,058,854.28/207,081,218.96 = 81,381,222.28/x
  3. Step 3: Cross multiply
    150,058,854.28x = 207,081,218.96 × 81,381,222.28
  4. Step 4: Simplify right side
    150,058,854.28x = 16,852,522,710,354,236
  5. Step 5: Solve for x
    x = 16,852,522,710,354,236/150,058,854.28
  6. Step 6: Final answer
    x = 112,306,086.78

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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.