Home / 39,515,179.44-59,229,530.28-20,347,086.72

Finding the Fourth Proportional to 39,515,179.44, 59,229,530.28 and 20,347,086.72

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Solution

The fourth proportional to 39,515,179.44, 59,229,530.28 and 20,347,086.72 is: 30,498,365.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,515,179.44 : 59,229,530.28 = 20,347,086.72 : x
  2. Step 2: Convert to fraction form
    39,515,179.44/59,229,530.28 = 20,347,086.72/x
  3. Step 3: Cross multiply
    39,515,179.44x = 59,229,530.28 × 20,347,086.72
  4. Step 4: Simplify right side
    39,515,179.44x = 1,205,148,388,992,025.75
  5. Step 5: Solve for x
    x = 1,205,148,388,992,025.75/39,515,179.44
  6. Step 6: Final answer
    x = 30,498,365.59

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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.