Home / 131,328,337.20-196,992,505.80-129,536,746.80

Finding the Fourth Proportional to 131,328,337.20, 196,992,505.80 and 129,536,746.80

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Solution

The fourth proportional to 131,328,337.20, 196,992,505.80 and 129,536,746.80 is: 194,305,120.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,328,337.20 : 196,992,505.80 = 129,536,746.80 : x
  2. Step 2: Convert to fraction form
    131,328,337.20/196,992,505.80 = 129,536,746.80/x
  3. Step 3: Cross multiply
    131,328,337.20x = 196,992,505.80 × 129,536,746.80
  4. Step 4: Simplify right side
    131,328,337.20x = 25,517,768,345,312,132
  5. Step 5: Solve for x
    x = 25,517,768,345,312,132/131,328,337.20
  6. Step 6: Final answer
    x = 194,305,120.20

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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.