Home / 132,901,990.92-199,352,149.85-71,520,063.35

Finding the Fourth Proportional to 132,901,990.92, 199,352,149.85 and 71,520,063.35

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Solution

The fourth proportional to 132,901,990.92, 199,352,149.85 and 71,520,063.35 is: 107,279,644.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,901,990.92 : 199,352,149.85 = 71,520,063.35 : x
  2. Step 2: Convert to fraction form
    132,901,990.92/199,352,149.85 = 71,520,063.35/x
  3. Step 3: Cross multiply
    132,901,990.92x = 199,352,149.85 × 71,520,063.35
  4. Step 4: Simplify right side
    132,901,990.92x = 14,257,678,385,412,732
  5. Step 5: Solve for x
    x = 14,257,678,385,412,732/132,901,990.92
  6. Step 6: Final answer
    x = 107,279,644.85

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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.