Home / 199,464,811,971.66-299,135,337,640.77-71,962,928,702.31

Finding the Fourth Proportional to 199,464,811,971.66, 299,135,337,640.77 and 71,962,928,702.31

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Solution

The fourth proportional to 199,464,811,971.66, 299,135,337,640.77 and 71,962,928,702.31 is: 107,922,067,868.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,464,811,971.66 : 299,135,337,640.77 = 71,962,928,702.31 : x
  2. Step 2: Convert to fraction form
    199,464,811,971.66/299,135,337,640.77 = 71,962,928,702.31/x
  3. Step 3: Cross multiply
    199,464,811,971.66x = 299,135,337,640.77 × 71,962,928,702.31
  4. Step 4: Simplify right side
    199,464,811,971.66x = 21,526,654,974,984,160,542,720
  5. Step 5: Solve for x
    x = 21,526,654,974,984,160,542,720/199,464,811,971.66
  6. Step 6: Final answer
    x = 107,922,067,868.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.