Home / 85,083,609.20-127,656,906.60-34,002,287.60

Finding the Fourth Proportional to 85,083,609.20, 127,656,906.60 and 34,002,287.60

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Solution

The fourth proportional to 85,083,609.20, 127,656,906.60 and 34,002,287.60 is: 51,016,016.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,083,609.20 : 127,656,906.60 = 34,002,287.60 : x
  2. Step 2: Convert to fraction form
    85,083,609.20/127,656,906.60 = 34,002,287.60/x
  3. Step 3: Cross multiply
    85,083,609.20x = 127,656,906.60 × 34,002,287.60
  4. Step 4: Simplify right side
    85,083,609.20x = 4,340,626,852,339,538
  5. Step 5: Solve for x
    x = 4,340,626,852,339,538/85,083,609.20
  6. Step 6: Final answer
    x = 51,016,016.99

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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.