Home / 57,321,619.60-85,982,429.40-38,189,743.60

Finding the Fourth Proportional to 57,321,619.60, 85,982,429.40 and 38,189,743.60

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Solution

The fourth proportional to 57,321,619.60, 85,982,429.40 and 38,189,743.60 is: 57,284,615.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,321,619.60 : 85,982,429.40 = 38,189,743.60 : x
  2. Step 2: Convert to fraction form
    57,321,619.60/85,982,429.40 = 38,189,743.60/x
  3. Step 3: Cross multiply
    57,321,619.60x = 85,982,429.40 × 38,189,743.60
  4. Step 4: Simplify right side
    57,321,619.60x = 3,283,646,932,891,102
  5. Step 5: Solve for x
    x = 3,283,646,932,891,102/57,321,619.60
  6. Step 6: Final answer
    x = 57,284,615.40

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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.