Home / 258,690,034.20-387,468,180.90-229,968,600.60

Finding the Fourth Proportional to 258,690,034.20, 387,468,180.90 and 229,968,600.60

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Solution

The fourth proportional to 258,690,034.20, 387,468,180.90 and 229,968,600.60 is: 344,448,968.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,690,034.20 : 387,468,180.90 = 229,968,600.60 : x
  2. Step 2: Convert to fraction form
    258,690,034.20/387,468,180.90 = 229,968,600.60/x
  3. Step 3: Cross multiply
    258,690,034.20x = 387,468,180.90 × 229,968,600.60
  4. Step 4: Simplify right side
    258,690,034.20x = 89,105,515,338,600,640
  5. Step 5: Solve for x
    x = 89,105,515,338,600,640/258,690,034.20
  6. Step 6: Final answer
    x = 344,448,968.10

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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.