Home / 126,646,108.10-189,969,162.15-119,591,720.90

Finding the Fourth Proportional to 126,646,108.10, 189,969,162.15 and 119,591,720.90

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Solution

The fourth proportional to 126,646,108.10, 189,969,162.15 and 119,591,720.90 is: 179,387,581.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,646,108.10 : 189,969,162.15 = 119,591,720.90 : x
  2. Step 2: Convert to fraction form
    126,646,108.10/189,969,162.15 = 119,591,720.90/x
  3. Step 3: Cross multiply
    126,646,108.10x = 189,969,162.15 × 119,591,720.90
  4. Step 4: Simplify right side
    126,646,108.10x = 22,718,739,019,449,644
  5. Step 5: Solve for x
    x = 22,718,739,019,449,644/126,646,108.10
  6. Step 6: Final answer
    x = 179,387,581.35

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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.