Home / 99,906,998.76-137,874,687.30-55,855,853.64

Finding the Fourth Proportional to 99,906,998.76, 137,874,687.30 and 55,855,853.64

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Solution

The fourth proportional to 99,906,998.76, 137,874,687.30 and 55,855,853.64 is: 77,082,771.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,906,998.76 : 137,874,687.30 = 55,855,853.64 : x
  2. Step 2: Convert to fraction form
    99,906,998.76/137,874,687.30 = 55,855,853.64/x
  3. Step 3: Cross multiply
    99,906,998.76x = 137,874,687.30 × 55,855,853.64
  4. Step 4: Simplify right side
    99,906,998.76x = 7,701,108,354,489,568
  5. Step 5: Solve for x
    x = 7,701,108,354,489,568/99,906,998.76
  6. Step 6: Final answer
    x = 77,082,771.48

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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.