Home / 143,712,610.30-215,568,915.45-41,479,983.10

Finding the Fourth Proportional to 143,712,610.30, 215,568,915.45 and 41,479,983.10

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Solution

The fourth proportional to 143,712,610.30, 215,568,915.45 and 41,479,983.10 is: 62,219,974.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,712,610.30 : 215,568,915.45 = 41,479,983.10 : x
  2. Step 2: Convert to fraction form
    143,712,610.30/215,568,915.45 = 41,479,983.10/x
  3. Step 3: Cross multiply
    143,712,610.30x = 215,568,915.45 × 41,479,983.10
  4. Step 4: Simplify right side
    143,712,610.30x = 8,941,794,969,751,329
  5. Step 5: Solve for x
    x = 8,941,794,969,751,329/143,712,610.30
  6. Step 6: Final answer
    x = 62,219,974.65

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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.