Home / 36,288,301.60-54,432,452.40-20,982,800.80

Finding the Fourth Proportional to 36,288,301.60, 54,432,452.40 and 20,982,800.80

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Solution

The fourth proportional to 36,288,301.60, 54,432,452.40 and 20,982,800.80 is: 31,474,201.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,288,301.60 : 54,432,452.40 = 20,982,800.80 : x
  2. Step 2: Convert to fraction form
    36,288,301.60/54,432,452.40 = 20,982,800.80/x
  3. Step 3: Cross multiply
    36,288,301.60x = 54,432,452.40 × 20,982,800.80
  4. Step 4: Simplify right side
    36,288,301.60x = 1,142,145,305,764,682
  5. Step 5: Solve for x
    x = 1,142,145,305,764,682/36,288,301.60
  6. Step 6: Final answer
    x = 31,474,201.20

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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.