Home / 230,321,685.69-345,482,528.55-76,967,742.13

Finding the Fourth Proportional to 230,321,685.69, 345,482,528.55 and 76,967,742.13

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Solution

The fourth proportional to 230,321,685.69, 345,482,528.55 and 76,967,742.13 is: 115,451,613.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,321,685.69 : 345,482,528.55 = 76,967,742.13 : x
  2. Step 2: Convert to fraction form
    230,321,685.69/345,482,528.55 = 76,967,742.13/x
  3. Step 3: Cross multiply
    230,321,685.69x = 345,482,528.55 × 76,967,742.13
  4. Step 4: Simplify right side
    230,321,685.69x = 26,591,010,167,856,764
  5. Step 5: Solve for x
    x = 26,591,010,167,856,764/230,321,685.69
  6. Step 6: Final answer
    x = 115,451,613.20

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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.