Home / 57,242,266.24-85,828,722.72-25,687,499.20

Finding the Fourth Proportional to 57,242,266.24, 85,828,722.72 and 25,687,499.20

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Solution

The fourth proportional to 57,242,266.24, 85,828,722.72 and 25,687,499.20 is: 38,515,687.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,242,266.24 : 85,828,722.72 = 25,687,499.20 : x
  2. Step 2: Convert to fraction form
    57,242,266.24/85,828,722.72 = 25,687,499.20/x
  3. Step 3: Cross multiply
    57,242,266.24x = 85,828,722.72 × 25,687,499.20
  4. Step 4: Simplify right side
    57,242,266.24x = 2,204,725,246,207,021.75
  5. Step 5: Solve for x
    x = 2,204,725,246,207,021.75/57,242,266.24
  6. Step 6: Final answer
    x = 38,515,687.64

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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.