Home / 186,976,339.20-281,740,757.76-153,644,359.68

Finding the Fourth Proportional to 186,976,339.20, 281,740,757.76 and 153,644,359.68

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Solution

The fourth proportional to 186,976,339.20, 281,740,757.76 and 153,644,359.68 is: 231,515,273.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,976,339.20 : 281,740,757.76 = 153,644,359.68 : x
  2. Step 2: Convert to fraction form
    186,976,339.20/281,740,757.76 = 153,644,359.68/x
  3. Step 3: Cross multiply
    186,976,339.20x = 281,740,757.76 × 153,644,359.68
  4. Step 4: Simplify right side
    186,976,339.20x = 43,287,878,321,793,192
  5. Step 5: Solve for x
    x = 43,287,878,321,793,192/186,976,339.20
  6. Step 6: Final answer
    x = 231,515,273.57

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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.