Home / 132,342,647.20-198,520,191.60-41,469,200.80

Finding the Fourth Proportional to 132,342,647.20, 198,520,191.60 and 41,469,200.80

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Solution

The fourth proportional to 132,342,647.20, 198,520,191.60 and 41,469,200.80 is: 62,205,750.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,342,647.20 : 198,520,191.60 = 41,469,200.80 : x
  2. Step 2: Convert to fraction form
    132,342,647.20/198,520,191.60 = 41,469,200.80/x
  3. Step 3: Cross multiply
    132,342,647.20x = 198,520,191.60 × 41,469,200.80
  4. Step 4: Simplify right side
    132,342,647.20x = 8,232,473,688,314,872
  5. Step 5: Solve for x
    x = 8,232,473,688,314,872/132,342,647.20
  6. Step 6: Final answer
    x = 62,205,750.47

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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.