Home / 99,739,537.70-137,687,213.03-57,915,456.31

Finding the Fourth Proportional to 99,739,537.70, 137,687,213.03 and 57,915,456.31

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Solution

The fourth proportional to 99,739,537.70, 137,687,213.03 and 57,915,456.31 is: 79,950,418.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,739,537.70 : 137,687,213.03 = 57,915,456.31 : x
  2. Step 2: Convert to fraction form
    99,739,537.70/137,687,213.03 = 57,915,456.31/x
  3. Step 3: Cross multiply
    99,739,537.70x = 137,687,213.03 × 57,915,456.31
  4. Step 4: Simplify right side
    99,739,537.70x = 7,974,217,770,050,832
  5. Step 5: Solve for x
    x = 7,974,217,770,050,832/99,739,537.70
  6. Step 6: Final answer
    x = 79,950,418.40

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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.