Home / 71,965,913.28-107,948,783.04-23,443,687.92

Finding the Fourth Proportional to 71,965,913.28, 107,948,783.04 and 23,443,687.92

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Solution

The fourth proportional to 71,965,913.28, 107,948,783.04 and 23,443,687.92 is: 35,165,503.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,965,913.28 : 107,948,783.04 = 23,443,687.92 : x
  2. Step 2: Convert to fraction form
    71,965,913.28/107,948,783.04 = 23,443,687.92/x
  3. Step 3: Cross multiply
    71,965,913.28x = 107,948,783.04 × 23,443,687.92
  4. Step 4: Simplify right side
    71,965,913.28x = 2,530,717,580,933,549
  5. Step 5: Solve for x
    x = 2,530,717,580,933,549/71,965,913.28
  6. Step 6: Final answer
    x = 35,165,503.58

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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.