Home / 186,976,127.13-281,740,438.25-153,644,147.61

Finding the Fourth Proportional to 186,976,127.13, 281,740,438.25 and 153,644,147.61

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Solution

The fourth proportional to 186,976,127.13, 281,740,438.25 and 153,644,147.61 is: 231,514,954.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,976,127.13 : 281,740,438.25 = 153,644,147.61 : x
  2. Step 2: Convert to fraction form
    186,976,127.13/281,740,438.25 = 153,644,147.61/x
  3. Step 3: Cross multiply
    186,976,127.13x = 281,740,438.25 × 153,644,147.61
  4. Step 4: Simplify right side
    186,976,127.13x = 43,287,769,481,420,872
  5. Step 5: Solve for x
    x = 43,287,769,481,420,872/186,976,127.13
  6. Step 6: Final answer
    x = 231,514,954.05

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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.