Home / 57,196,839.36-85,767,360.24-20,296,234.76

Finding the Fourth Proportional to 57,196,839.36, 85,767,360.24 and 20,296,234.76

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Solution

The fourth proportional to 57,196,839.36, 85,767,360.24 and 20,296,234.76 is: 30,434,452.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,196,839.36 : 85,767,360.24 = 20,296,234.76 : x
  2. Step 2: Convert to fraction form
    57,196,839.36/85,767,360.24 = 20,296,234.76/x
  3. Step 3: Cross multiply
    57,196,839.36x = 85,767,360.24 × 20,296,234.76
  4. Step 4: Simplify right side
    57,196,839.36x = 1,740,754,478,176,530
  5. Step 5: Solve for x
    x = 1,740,754,478,176,530/57,196,839.36
  6. Step 6: Final answer
    x = 30,434,452.28

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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.