Home / 99,686,331.44-137,561,397.79-55,629,872.54

Finding the Fourth Proportional to 99,686,331.44, 137,561,397.79 and 55,629,872.54

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Solution

The fourth proportional to 99,686,331.44, 137,561,397.79 and 55,629,872.54 is: 76,766,021.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,686,331.44 : 137,561,397.79 = 55,629,872.54 : x
  2. Step 2: Convert to fraction form
    99,686,331.44/137,561,397.79 = 55,629,872.54/x
  3. Step 3: Cross multiply
    99,686,331.44x = 137,561,397.79 × 55,629,872.54
  4. Step 4: Simplify right side
    99,686,331.44x = 7,652,523,025,481,937
  5. Step 5: Solve for x
    x = 7,652,523,025,481,937/99,686,331.44
  6. Step 6: Final answer
    x = 76,766,021.13

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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.