Home / 186,995,078.30-258,078,843.06-107,608,508.24

Finding the Fourth Proportional to 186,995,078.30, 258,078,843.06 and 107,608,508.24

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Solution

The fourth proportional to 186,995,078.30, 258,078,843.06 and 107,608,508.24 is: 148,514,493.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,995,078.30 : 258,078,843.06 = 107,608,508.24 : x
  2. Step 2: Convert to fraction form
    186,995,078.30/258,078,843.06 = 107,608,508.24/x
  3. Step 3: Cross multiply
    186,995,078.30x = 258,078,843.06 × 107,608,508.24
  4. Step 4: Simplify right side
    186,995,078.30x = 27,771,479,309,991,676
  5. Step 5: Solve for x
    x = 27,771,479,309,991,676/186,995,078.30
  6. Step 6: Final answer
    x = 148,514,493.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.