Home / 258,690,225.20-387,468,467.40-229,968,791.60

Finding the Fourth Proportional to 258,690,225.20, 387,468,467.40 and 229,968,791.60

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Solution

The fourth proportional to 258,690,225.20, 387,468,467.40 and 229,968,791.60 is: 344,449,254.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,690,225.20 : 387,468,467.40 = 229,968,791.60 : x
  2. Step 2: Convert to fraction form
    258,690,225.20/387,468,467.40 = 229,968,791.60/x
  3. Step 3: Cross multiply
    258,690,225.20x = 387,468,467.40 × 229,968,791.60
  4. Step 4: Simplify right side
    258,690,225.20x = 89,105,655,231,081,984
  5. Step 5: Solve for x
    x = 89,105,655,231,081,984/258,690,225.20
  6. Step 6: Final answer
    x = 344,449,254.56

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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.