Home / 65,373,578.29-90,221,910.33-48,824,972.65

Finding the Fourth Proportional to 65,373,578.29, 90,221,910.33 and 48,824,972.65

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Solution

The fourth proportional to 65,373,578.29, 90,221,910.33 and 48,824,972.65 is: 67,383,221.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,373,578.29 : 90,221,910.33 = 48,824,972.65 : x
  2. Step 2: Convert to fraction form
    65,373,578.29/90,221,910.33 = 48,824,972.65/x
  3. Step 3: Cross multiply
    65,373,578.29x = 90,221,910.33 × 48,824,972.65
  4. Step 4: Simplify right side
    65,373,578.29x = 4,405,082,304,293,002.50
  5. Step 5: Solve for x
    x = 4,405,082,304,293,002.50/65,373,578.29
  6. Step 6: Final answer
    x = 67,383,221.47

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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.