Home / 72,616,006.70-108,924,010.05-67,073,273.90

Finding the Fourth Proportional to 72,616,006.70, 108,924,010.05 and 67,073,273.90

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Solution

The fourth proportional to 72,616,006.70, 108,924,010.05 and 67,073,273.90 is: 100,609,910.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,616,006.70 : 108,924,010.05 = 67,073,273.90 : x
  2. Step 2: Convert to fraction form
    72,616,006.70/108,924,010.05 = 67,073,273.90/x
  3. Step 3: Cross multiply
    72,616,006.70x = 108,924,010.05 × 67,073,273.90
  4. Step 4: Simplify right side
    72,616,006.70x = 7,305,889,960,370,002
  5. Step 5: Solve for x
    x = 7,305,889,960,370,002/72,616,006.70
  6. Step 6: Final answer
    x = 100,609,910.85

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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.