Home / 38,134,853.60-57,202,280.40-20,218,949.60

Finding the Fourth Proportional to 38,134,853.60, 57,202,280.40 and 20,218,949.60

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Solution

The fourth proportional to 38,134,853.60, 57,202,280.40 and 20,218,949.60 is: 30,328,424.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,134,853.60 : 57,202,280.40 = 20,218,949.60 : x
  2. Step 2: Convert to fraction form
    38,134,853.60/57,202,280.40 = 20,218,949.60/x
  3. Step 3: Cross multiply
    38,134,853.60x = 57,202,280.40 × 20,218,949.60
  4. Step 4: Simplify right side
    38,134,853.60x = 1,156,570,024,412,668
  5. Step 5: Solve for x
    x = 1,156,570,024,412,668/38,134,853.60
  6. Step 6: Final answer
    x = 30,328,424.40

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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.