Home / 68,887,839.78-103,344,473.43-28,501,473.06

Finding the Fourth Proportional to 68,887,839.78, 103,344,473.43 and 28,501,473.06

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Solution

The fourth proportional to 68,887,839.78, 103,344,473.43 and 28,501,473.06 is: 42,757,469.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,887,839.78 : 103,344,473.43 = 28,501,473.06 : x
  2. Step 2: Convert to fraction form
    68,887,839.78/103,344,473.43 = 28,501,473.06/x
  3. Step 3: Cross multiply
    68,887,839.78x = 103,344,473.43 × 28,501,473.06
  4. Step 4: Simplify right side
    68,887,839.78x = 2,945,469,725,365,031
  5. Step 5: Solve for x
    x = 2,945,469,725,365,031/68,887,839.78
  6. Step 6: Final answer
    x = 42,757,469.75

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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.