Home / 132,904,702.20-198,958,922.10-79,024,279.80

Finding the Fourth Proportional to 132,904,702.20, 198,958,922.10 and 79,024,279.80

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Solution

The fourth proportional to 132,904,702.20, 198,958,922.10 and 79,024,279.80 is: 118,299,693.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,904,702.20 : 198,958,922.10 = 79,024,279.80 : x
  2. Step 2: Convert to fraction form
    132,904,702.20/198,958,922.10 = 79,024,279.80/x
  3. Step 3: Cross multiply
    132,904,702.20x = 198,958,922.10 × 79,024,279.80
  4. Step 4: Simplify right side
    132,904,702.20x = 15,722,585,528,736,802
  5. Step 5: Solve for x
    x = 15,722,585,528,736,802/132,904,702.20
  6. Step 6: Final answer
    x = 118,299,693.45

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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.