Home / 131,435,432.20-196,775,234.70-127,656,296.20

Finding the Fourth Proportional to 131,435,432.20, 196,775,234.70 and 127,656,296.20

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Solution

The fourth proportional to 131,435,432.20, 196,775,234.70 and 127,656,296.20 is: 191,117,396.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,435,432.20 : 196,775,234.70 = 127,656,296.20 : x
  2. Step 2: Convert to fraction form
    131,435,432.20/196,775,234.70 = 127,656,296.20/x
  3. Step 3: Cross multiply
    131,435,432.20x = 196,775,234.70 × 127,656,296.20
  4. Step 4: Simplify right side
    131,435,432.20x = 25,119,597,645,687,716
  5. Step 5: Solve for x
    x = 25,119,597,645,687,716/131,435,432.20
  6. Step 6: Final answer
    x = 191,117,396.77

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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.