Home / 135,383,654,821.38-186,826,930,245.36-74,414,718,656.51

Finding the Fourth Proportional to 135,383,654,821.38, 186,826,930,245.36 and 74,414,718,656.51

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Solution

The fourth proportional to 135,383,654,821.38, 186,826,930,245.36 and 74,414,718,656.51 is: 102,690,930,230.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,383,654,821.38 : 186,826,930,245.36 = 74,414,718,656.51 : x
  2. Step 2: Convert to fraction form
    135,383,654,821.38/186,826,930,245.36 = 74,414,718,656.51/x
  3. Step 3: Cross multiply
    135,383,654,821.38x = 186,826,930,245.36 × 74,414,718,656.51
  4. Step 4: Simplify right side
    135,383,654,821.38x = 13,902,673,451,666,949,275,648
  5. Step 5: Solve for x
    x = 13,902,673,451,666,949,275,648/135,383,654,821.38
  6. Step 6: Final answer
    x = 102,690,930,230.90

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1.5x scale

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.