Home / 71,599,449.78-107,452,661.40-48,515,650.20

Finding the Fourth Proportional to 71,599,449.78, 107,452,661.40 and 48,515,650.20

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Solution

The fourth proportional to 71,599,449.78, 107,452,661.40 and 48,515,650.20 is: 72,809,717.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,599,449.78 : 107,452,661.40 = 48,515,650.20 : x
  2. Step 2: Convert to fraction form
    71,599,449.78/107,452,661.40 = 48,515,650.20/x
  3. Step 3: Cross multiply
    71,599,449.78x = 107,452,661.40 × 48,515,650.20
  4. Step 4: Simplify right side
    71,599,449.78x = 5,213,135,733,541,443
  5. Step 5: Solve for x
    x = 5,213,135,733,541,443/71,599,449.78
  6. Step 6: Final answer
    x = 72,809,717.81

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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.