Home / 38,134,858.10-57,202,287.15-20,218,954.10

Finding the Fourth Proportional to 38,134,858.10, 57,202,287.15 and 20,218,954.10

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Solution

The fourth proportional to 38,134,858.10, 57,202,287.15 and 20,218,954.10 is: 30,328,431.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,134,858.10 : 57,202,287.15 = 20,218,954.10 : x
  2. Step 2: Convert to fraction form
    38,134,858.10/57,202,287.15 = 20,218,954.10/x
  3. Step 3: Cross multiply
    38,134,858.10x = 57,202,287.15 × 20,218,954.10
  4. Step 4: Simplify right side
    38,134,858.10x = 1,156,570,418,300,869.75
  5. Step 5: Solve for x
    x = 1,156,570,418,300,869.75/38,134,858.10
  6. Step 6: Final answer
    x = 30,328,431.15

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Similar ratio
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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.