Home / 74,904,227.20-112,440,321.60-57,940,105.60

Finding the Fourth Proportional to 74,904,227.20, 112,440,321.60 and 57,940,105.60

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Solution

The fourth proportional to 74,904,227.20, 112,440,321.60 and 57,940,105.60 is: 86,975,119.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,904,227.20 : 112,440,321.60 = 57,940,105.60 : x
  2. Step 2: Convert to fraction form
    74,904,227.20/112,440,321.60 = 57,940,105.60/x
  3. Step 3: Cross multiply
    74,904,227.20x = 112,440,321.60 × 57,940,105.60
  4. Step 4: Simplify right side
    74,904,227.20x = 6,514,804,107,201,961
  5. Step 5: Solve for x
    x = 6,514,804,107,201,961/74,904,227.20
  6. Step 6: Final answer
    x = 86,975,119.44

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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.