Home / 80,852,757.70-121,279,136.55-44,447,080.90

Finding the Fourth Proportional to 80,852,757.70, 121,279,136.55 and 44,447,080.90

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Solution

The fourth proportional to 80,852,757.70, 121,279,136.55 and 44,447,080.90 is: 66,670,621.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,852,757.70 : 121,279,136.55 = 44,447,080.90 : x
  2. Step 2: Convert to fraction form
    80,852,757.70/121,279,136.55 = 44,447,080.90/x
  3. Step 3: Cross multiply
    80,852,757.70x = 121,279,136.55 × 44,447,080.90
  4. Step 4: Simplify right side
    80,852,757.70x = 5,390,503,593,719,997
  5. Step 5: Solve for x
    x = 5,390,503,593,719,997/80,852,757.70
  6. Step 6: Final answer
    x = 66,670,621.35

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Similar ratio
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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.