Home / 132,217,217.20-198,325,825.80-80,485,044.40

Finding the Fourth Proportional to 132,217,217.20, 198,325,825.80 and 80,485,044.40

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Solution

The fourth proportional to 132,217,217.20, 198,325,825.80 and 80,485,044.40 is: 120,727,566.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,217,217.20 : 198,325,825.80 = 80,485,044.40 : x
  2. Step 2: Convert to fraction form
    132,217,217.20/198,325,825.80 = 80,485,044.40/x
  3. Step 3: Cross multiply
    132,217,217.20x = 198,325,825.80 × 80,485,044.40
  4. Step 4: Simplify right side
    132,217,217.20x = 15,962,262,895,179,668
  5. Step 5: Solve for x
    x = 15,962,262,895,179,668/132,217,217.20
  6. Step 6: Final answer
    x = 120,727,566.60

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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.