Home / 87,540,446.92-120,820,817.82-50,892,275.56

Finding the Fourth Proportional to 87,540,446.92, 120,820,817.82 and 50,892,275.56

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Solution

The fourth proportional to 87,540,446.92, 120,820,817.82 and 50,892,275.56 is: 70,240,061.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,540,446.92 : 120,820,817.82 = 50,892,275.56 : x
  2. Step 2: Convert to fraction form
    87,540,446.92/120,820,817.82 = 50,892,275.56/x
  3. Step 3: Cross multiply
    87,540,446.92x = 120,820,817.82 × 50,892,275.56
  4. Step 4: Simplify right side
    87,540,446.92x = 6,148,846,353,879,998
  5. Step 5: Solve for x
    x = 6,148,846,353,879,998/87,540,446.92
  6. Step 6: Final answer
    x = 70,240,061.25

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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.