Home / 325,331,524.20-487,997,286.30-109,917,661.80

Finding the Fourth Proportional to 325,331,524.20, 487,997,286.30 and 109,917,661.80

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Solution

The fourth proportional to 325,331,524.20, 487,997,286.30 and 109,917,661.80 is: 164,876,492.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,331,524.20 : 487,997,286.30 = 109,917,661.80 : x
  2. Step 2: Convert to fraction form
    325,331,524.20/487,997,286.30 = 109,917,661.80/x
  3. Step 3: Cross multiply
    325,331,524.20x = 487,997,286.30 × 109,917,661.80
  4. Step 4: Simplify right side
    325,331,524.20x = 53,639,520,674,841,176
  5. Step 5: Solve for x
    x = 53,639,520,674,841,176/325,331,524.20
  6. Step 6: Final answer
    x = 164,876,492.70

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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.