Home / 84,093,046.20-126,139,569.30-82,675,870.20

Finding the Fourth Proportional to 84,093,046.20, 126,139,569.30 and 82,675,870.20

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Solution

The fourth proportional to 84,093,046.20, 126,139,569.30 and 82,675,870.20 is: 124,013,805.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,093,046.20 : 126,139,569.30 = 82,675,870.20 : x
  2. Step 2: Convert to fraction form
    84,093,046.20/126,139,569.30 = 82,675,870.20/x
  3. Step 3: Cross multiply
    84,093,046.20x = 126,139,569.30 × 82,675,870.20
  4. Step 4: Simplify right side
    84,093,046.20x = 10,428,698,658,530,704
  5. Step 5: Solve for x
    x = 10,428,698,658,530,704/84,093,046.20
  6. Step 6: Final answer
    x = 124,013,805.30

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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.