Home / 87,101,226.70-120,198,738.99-47,942,166.22

Finding the Fourth Proportional to 87,101,226.70, 120,198,738.99 and 47,942,166.22

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Solution

The fourth proportional to 87,101,226.70, 120,198,738.99 and 47,942,166.22 is: 66,159,664.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,101,226.70 : 120,198,738.99 = 47,942,166.22 : x
  2. Step 2: Convert to fraction form
    87,101,226.70/120,198,738.99 = 47,942,166.22/x
  3. Step 3: Cross multiply
    87,101,226.70x = 120,198,738.99 × 47,942,166.22
  4. Step 4: Simplify right side
    87,101,226.70x = 5,762,587,924,092,975
  5. Step 5: Solve for x
    x = 5,762,587,924,092,975/87,101,226.70
  6. Step 6: Final answer
    x = 66,159,664.36

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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.