Home / 126,399,251.10-189,598,876.65-88,104,006.30

Finding the Fourth Proportional to 126,399,251.10, 189,598,876.65 and 88,104,006.30

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Solution

The fourth proportional to 126,399,251.10, 189,598,876.65 and 88,104,006.30 is: 132,156,009.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,399,251.10 : 189,598,876.65 = 88,104,006.30 : x
  2. Step 2: Convert to fraction form
    126,399,251.10/189,598,876.65 = 88,104,006.30/x
  3. Step 3: Cross multiply
    126,399,251.10x = 189,598,876.65 × 88,104,006.30
  4. Step 4: Simplify right side
    126,399,251.10x = 16,704,420,622,844,522
  5. Step 5: Solve for x
    x = 16,704,420,622,844,522/126,399,251.10
  6. Step 6: Final answer
    x = 132,156,009.45

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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.