Home / 96,800,123.20-145,072,658.40-71,120,660.80

Finding the Fourth Proportional to 96,800,123.20, 145,072,658.40 and 71,120,660.80

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Solution

The fourth proportional to 96,800,123.20, 145,072,658.40 and 71,120,660.80 is: 106,587,295.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,800,123.20 : 145,072,658.40 = 71,120,660.80 : x
  2. Step 2: Convert to fraction form
    96,800,123.20/145,072,658.40 = 71,120,660.80/x
  3. Step 3: Cross multiply
    96,800,123.20x = 145,072,658.40 × 71,120,660.80
  4. Step 4: Simplify right side
    96,800,123.20x = 10,317,663,329,420,670
  5. Step 5: Solve for x
    x = 10,317,663,329,420,670/96,800,123.20
  6. Step 6: Final answer
    x = 106,587,295.43

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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.