Home / 111,293,635.70-166,940,453.55-76,656,221.30

Finding the Fourth Proportional to 111,293,635.70, 166,940,453.55 and 76,656,221.30

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Solution

The fourth proportional to 111,293,635.70, 166,940,453.55 and 76,656,221.30 is: 114,984,331.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,293,635.70 : 166,940,453.55 = 76,656,221.30 : x
  2. Step 2: Convert to fraction form
    111,293,635.70/166,940,453.55 = 76,656,221.30/x
  3. Step 3: Cross multiply
    111,293,635.70x = 166,940,453.55 × 76,656,221.30
  4. Step 4: Simplify right side
    111,293,635.70x = 12,797,024,351,251,172
  5. Step 5: Solve for x
    x = 12,797,024,351,251,172/111,293,635.70
  6. Step 6: Final answer
    x = 114,984,331.95

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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.