Home / 220,197,665.20-330,286,000.20-74,616,948.40

Finding the Fourth Proportional to 220,197,665.20, 330,286,000.20 and 74,616,948.40

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Solution

The fourth proportional to 220,197,665.20, 330,286,000.20 and 74,616,948.40 is: 111,921,865.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,197,665.20 : 330,286,000.20 = 74,616,948.40 : x
  2. Step 2: Convert to fraction form
    220,197,665.20/330,286,000.20 = 74,616,948.40/x
  3. Step 3: Cross multiply
    220,197,665.20x = 330,286,000.20 × 74,616,948.40
  4. Step 4: Simplify right side
    220,197,665.20x = 24,644,933,434,165,792
  5. Step 5: Solve for x
    x = 24,644,933,434,165,792/220,197,665.20
  6. Step 6: Final answer
    x = 111,921,865.35

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1.5x scale

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.