Home / 52,467,481.77-78,711,310.17-20,116,861.23

Finding the Fourth Proportional to 52,467,481.77, 78,711,310.17 and 20,116,861.23

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Solution

The fourth proportional to 52,467,481.77, 78,711,310.17 and 20,116,861.23 is: 30,179,159.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,467,481.77 : 78,711,310.17 = 20,116,861.23 : x
  2. Step 2: Convert to fraction form
    52,467,481.77/78,711,310.17 = 20,116,861.23/x
  3. Step 3: Cross multiply
    52,467,481.77x = 78,711,310.17 × 20,116,861.23
  4. Step 4: Simplify right side
    52,467,481.77x = 1,583,424,503,921,377.75
  5. Step 5: Solve for x
    x = 1,583,424,503,921,377.75/52,467,481.77
  6. Step 6: Final answer
    x = 30,179,159.56

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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.