Home / 166,633,708.72-229,951,949.82-93,297,475.12

Finding the Fourth Proportional to 166,633,708.72, 229,951,949.82 and 93,297,475.12

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Solution

The fourth proportional to 166,633,708.72, 229,951,949.82 and 93,297,475.12 is: 128,749,077.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,633,708.72 : 229,951,949.82 = 93,297,475.12 : x
  2. Step 2: Convert to fraction form
    166,633,708.72/229,951,949.82 = 93,297,475.12/x
  3. Step 3: Cross multiply
    166,633,708.72x = 229,951,949.82 × 93,297,475.12
  4. Step 4: Simplify right side
    166,633,708.72x = 21,453,936,317,126,940
  5. Step 5: Solve for x
    x = 21,453,936,317,126,940/166,633,708.72
  6. Step 6: Final answer
    x = 128,749,077.73

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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.