Home / 38,134,858.60-57,202,287.90-20,218,954.60

Finding the Fourth Proportional to 38,134,858.60, 57,202,287.90 and 20,218,954.60

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Solution

The fourth proportional to 38,134,858.60, 57,202,287.90 and 20,218,954.60 is: 30,328,431.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,134,858.60 : 57,202,287.90 = 20,218,954.60 : x
  2. Step 2: Convert to fraction form
    38,134,858.60/57,202,287.90 = 20,218,954.60/x
  3. Step 3: Cross multiply
    38,134,858.60x = 57,202,287.90 × 20,218,954.60
  4. Step 4: Simplify right side
    38,134,858.60x = 1,156,570,462,066,229.50
  5. Step 5: Solve for x
    x = 1,156,570,462,066,229.50/38,134,858.60
  6. Step 6: Final answer
    x = 30,328,431.90

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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.