Home / 215,601,193.87-323,401,753.88-68,152,260.90

Finding the Fourth Proportional to 215,601,193.87, 323,401,753.88 and 68,152,260.90

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Solution

The fourth proportional to 215,601,193.87, 323,401,753.88 and 68,152,260.90 is: 102,228,379.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,601,193.87 : 323,401,753.88 = 68,152,260.90 : x
  2. Step 2: Convert to fraction form
    215,601,193.87/323,401,753.88 = 68,152,260.90/x
  3. Step 3: Cross multiply
    215,601,193.87x = 323,401,753.88 × 68,152,260.90
  4. Step 4: Simplify right side
    215,601,193.87x = 22,040,560,707,074,880
  5. Step 5: Solve for x
    x = 22,040,560,707,074,880/215,601,193.87
  6. Step 6: Final answer
    x = 102,228,379.68

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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.