Home / 230,100,984.78-345,199,951.62-74,642,654.18

Finding the Fourth Proportional to 230,100,984.78, 345,199,951.62 and 74,642,654.18

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Solution

The fourth proportional to 230,100,984.78, 345,199,951.62 and 74,642,654.18 is: 111,979,705.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,100,984.78 : 345,199,951.62 = 74,642,654.18 : x
  2. Step 2: Convert to fraction form
    230,100,984.78/345,199,951.62 = 74,642,654.18/x
  3. Step 3: Cross multiply
    230,100,984.78x = 345,199,951.62 × 74,642,654.18
  4. Step 4: Simplify right side
    230,100,984.78x = 25,766,640,609,998,392
  5. Step 5: Solve for x
    x = 25,766,640,609,998,392/230,100,984.78
  6. Step 6: Final answer
    x = 111,979,705.93

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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.