Home / 132,192,001.20-198,288,001.80-117,453,370.80

Finding the Fourth Proportional to 132,192,001.20, 198,288,001.80 and 117,453,370.80

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Solution

The fourth proportional to 132,192,001.20, 198,288,001.80 and 117,453,370.80 is: 176,180,056.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,192,001.20 : 198,288,001.80 = 117,453,370.80 : x
  2. Step 2: Convert to fraction form
    132,192,001.20/198,288,001.80 = 117,453,370.80/x
  3. Step 3: Cross multiply
    132,192,001.20x = 198,288,001.80 × 117,453,370.80
  4. Step 4: Simplify right side
    132,192,001.20x = 23,289,594,200,606,468
  5. Step 5: Solve for x
    x = 23,289,594,200,606,468/132,192,001.20
  6. Step 6: Final answer
    x = 176,180,056.20

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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.