Home / 68,705,245.98-103,057,803.36-17,587,182.78

Finding the Fourth Proportional to 68,705,245.98, 103,057,803.36 and 17,587,182.78

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Solution

The fourth proportional to 68,705,245.98, 103,057,803.36 and 17,587,182.78 is: 26,380,757.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,705,245.98 : 103,057,803.36 = 17,587,182.78 : x
  2. Step 2: Convert to fraction form
    68,705,245.98/103,057,803.36 = 17,587,182.78/x
  3. Step 3: Cross multiply
    68,705,245.98x = 103,057,803.36 × 17,587,182.78
  4. Step 4: Simplify right side
    68,705,245.98x = 1,812,496,424,233,601.75
  5. Step 5: Solve for x
    x = 1,812,496,424,233,601.75/68,705,245.98
  6. Step 6: Final answer
    x = 26,380,757.37

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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.