Home / 68,821,489.14-103,229,433.90-17,004,786.86

Finding the Fourth Proportional to 68,821,489.14, 103,229,433.90 and 17,004,786.86

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Solution

The fourth proportional to 68,821,489.14, 103,229,433.90 and 17,004,786.86 is: 25,506,488.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,821,489.14 : 103,229,433.90 = 17,004,786.86 : x
  2. Step 2: Convert to fraction form
    68,821,489.14/103,229,433.90 = 17,004,786.86/x
  3. Step 3: Cross multiply
    68,821,489.14x = 103,229,433.90 × 17,004,786.86
  4. Step 4: Simplify right side
    68,821,489.14x = 1,755,394,520,631,811.50
  5. Step 5: Solve for x
    x = 1,755,394,520,631,811.50/68,821,489.14
  6. Step 6: Final answer
    x = 25,506,488.49

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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.