Home / 67,246,230.80-100,869,346.20-44,287,979.60

Finding the Fourth Proportional to 67,246,230.80, 100,869,346.20 and 44,287,979.60

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Solution

The fourth proportional to 67,246,230.80, 100,869,346.20 and 44,287,979.60 is: 66,431,969.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,246,230.80 : 100,869,346.20 = 44,287,979.60 : x
  2. Step 2: Convert to fraction form
    67,246,230.80/100,869,346.20 = 44,287,979.60/x
  3. Step 3: Cross multiply
    67,246,230.80x = 100,869,346.20 × 44,287,979.60
  4. Step 4: Simplify right side
    67,246,230.80x = 4,467,299,546,770,938
  5. Step 5: Solve for x
    x = 4,467,299,546,770,938/67,246,230.80
  6. Step 6: Final answer
    x = 66,431,969.40

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Similar ratio
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1.5x scale

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.