Home / 131,746,658.70-197,380,839.60-107,353,516.80

Finding the Fourth Proportional to 131,746,658.70, 197,380,839.60 and 107,353,516.80

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Solution

The fourth proportional to 131,746,658.70, 197,380,839.60 and 107,353,516.80 is: 160,835,405.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,746,658.70 : 197,380,839.60 = 107,353,516.80 : x
  2. Step 2: Convert to fraction form
    131,746,658.70/197,380,839.60 = 107,353,516.80/x
  3. Step 3: Cross multiply
    131,746,658.70x = 197,380,839.60 × 107,353,516.80
  4. Step 4: Simplify right side
    131,746,658.70x = 21,189,527,279,996,704
  5. Step 5: Solve for x
    x = 21,189,527,279,996,704/131,746,658.70
  6. Step 6: Final answer
    x = 160,835,405.54

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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.