Home / 131,328,034.20-196,992,051.30-129,536,443.80

Finding the Fourth Proportional to 131,328,034.20, 196,992,051.30 and 129,536,443.80

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Solution

The fourth proportional to 131,328,034.20, 196,992,051.30 and 129,536,443.80 is: 194,304,665.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,328,034.20 : 196,992,051.30 = 129,536,443.80 : x
  2. Step 2: Convert to fraction form
    131,328,034.20/196,992,051.30 = 129,536,443.80/x
  3. Step 3: Cross multiply
    131,328,034.20x = 196,992,051.30 × 129,536,443.80
  4. Step 4: Simplify right side
    131,328,034.20x = 25,517,649,782,269,168
  5. Step 5: Solve for x
    x = 25,517,649,782,269,168/131,328,034.20
  6. Step 6: Final answer
    x = 194,304,665.70

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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.