Home / 126,187,230.80-189,280,846.20-45,397,701.20

Finding the Fourth Proportional to 126,187,230.80, 189,280,846.20 and 45,397,701.20

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Solution

The fourth proportional to 126,187,230.80, 189,280,846.20 and 45,397,701.20 is: 68,096,551.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,187,230.80 : 189,280,846.20 = 45,397,701.20 : x
  2. Step 2: Convert to fraction form
    126,187,230.80/189,280,846.20 = 45,397,701.20/x
  3. Step 3: Cross multiply
    126,187,230.80x = 189,280,846.20 × 45,397,701.20
  4. Step 4: Simplify right side
    126,187,230.80x = 8,592,915,298,670,755
  5. Step 5: Solve for x
    x = 8,592,915,298,670,755/126,187,230.80
  6. Step 6: Final answer
    x = 68,096,551.80

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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.