Home / 217,503,855.32-300,180,879.12-122,150,034.92

Finding the Fourth Proportional to 217,503,855.32, 300,180,879.12 and 122,150,034.92

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Solution

The fourth proportional to 217,503,855.32, 300,180,879.12 and 122,150,034.92 is: 168,581,401.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,503,855.32 : 300,180,879.12 = 122,150,034.92 : x
  2. Step 2: Convert to fraction form
    217,503,855.32/300,180,879.12 = 122,150,034.92/x
  3. Step 3: Cross multiply
    217,503,855.32x = 300,180,879.12 × 122,150,034.92
  4. Step 4: Simplify right side
    217,503,855.32x = 36,667,104,866,824,296
  5. Step 5: Solve for x
    x = 36,667,104,866,824,296/217,503,855.32
  6. Step 6: Final answer
    x = 168,581,401.98

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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.