Home / 186,976,500.13-281,741,001.48-153,644,520.61

Finding the Fourth Proportional to 186,976,500.13, 281,741,001.48 and 153,644,520.61

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Solution

The fourth proportional to 186,976,500.13, 281,741,001.48 and 153,644,520.61 is: 231,515,517.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,976,500.13 : 281,741,001.48 = 153,644,520.61 : x
  2. Step 2: Convert to fraction form
    186,976,500.13/281,741,001.48 = 153,644,520.61/x
  3. Step 3: Cross multiply
    186,976,500.13x = 281,741,001.48 × 153,644,520.61
  4. Step 4: Simplify right side
    186,976,500.13x = 43,287,961,108,575,904
  5. Step 5: Solve for x
    x = 43,287,961,108,575,904/186,976,500.13
  6. Step 6: Final answer
    x = 231,515,517.08

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.