Home / 68,640,519.15-94,729,758.17-38,876,461.65

Finding the Fourth Proportional to 68,640,519.15, 94,729,758.17 and 38,876,461.65

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Solution

The fourth proportional to 68,640,519.15, 94,729,758.17 and 38,876,461.65 is: 53,652,825.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,640,519.15 : 94,729,758.17 = 38,876,461.65 : x
  2. Step 2: Convert to fraction form
    68,640,519.15/94,729,758.17 = 38,876,461.65/x
  3. Step 3: Cross multiply
    68,640,519.15x = 94,729,758.17 × 38,876,461.65
  4. Step 4: Simplify right side
    68,640,519.15x = 3,682,757,810,415,397
  5. Step 5: Solve for x
    x = 3,682,757,810,415,397/68,640,519.15
  6. Step 6: Final answer
    x = 53,652,825.71

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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.