Home / 126,023,849.20-189,035,773.80-30,285,737.20

Finding the Fourth Proportional to 126,023,849.20, 189,035,773.80 and 30,285,737.20

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Solution

The fourth proportional to 126,023,849.20, 189,035,773.80 and 30,285,737.20 is: 45,428,605.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,023,849.20 : 189,035,773.80 = 30,285,737.20 : x
  2. Step 2: Convert to fraction form
    126,023,849.20/189,035,773.80 = 30,285,737.20/x
  3. Step 3: Cross multiply
    126,023,849.20x = 189,035,773.80 × 30,285,737.20
  4. Step 4: Simplify right side
    126,023,849.20x = 5,725,087,766,705,446
  5. Step 5: Solve for x
    x = 5,725,087,766,705,446/126,023,849.20
  6. Step 6: Final answer
    x = 45,428,605.80

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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.