Home / 126,399,248.10-189,598,872.15-88,104,003.30

Finding the Fourth Proportional to 126,399,248.10, 189,598,872.15 and 88,104,003.30

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Solution

The fourth proportional to 126,399,248.10, 189,598,872.15 and 88,104,003.30 is: 132,156,004.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,399,248.10 : 189,598,872.15 = 88,104,003.30 : x
  2. Step 2: Convert to fraction form
    126,399,248.10/189,598,872.15 = 88,104,003.30/x
  3. Step 3: Cross multiply
    126,399,248.10x = 189,598,872.15 × 88,104,003.30
  4. Step 4: Simplify right side
    126,399,248.10x = 16,704,419,657,579,878
  5. Step 5: Solve for x
    x = 16,704,419,657,579,878/126,399,248.10
  6. Step 6: Final answer
    x = 132,156,004.95

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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.