Home / 87,654,910.19-120,967,336.71-48,496,049.16

Finding the Fourth Proportional to 87,654,910.19, 120,967,336.71 and 48,496,049.16

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Solution

The fourth proportional to 87,654,910.19, 120,967,336.71 and 48,496,049.16 is: 66,926,517.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,654,910.19 : 120,967,336.71 = 48,496,049.16 : x
  2. Step 2: Convert to fraction form
    87,654,910.19/120,967,336.71 = 48,496,049.16/x
  3. Step 3: Cross multiply
    87,654,910.19x = 120,967,336.71 × 48,496,049.16
  4. Step 4: Simplify right side
    87,654,910.19x = 5,866,437,907,388,805
  5. Step 5: Solve for x
    x = 5,866,437,907,388,805/87,654,910.19
  6. Step 6: Final answer
    x = 66,926,517.81

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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.