Home / 110,835,624.70-165,970,001.85-81,925,234.30

Finding the Fourth Proportional to 110,835,624.70, 165,970,001.85 and 81,925,234.30

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Solution

The fourth proportional to 110,835,624.70, 165,970,001.85 and 81,925,234.30 is: 122,678,347.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,835,624.70 : 165,970,001.85 = 81,925,234.30 : x
  2. Step 2: Convert to fraction form
    110,835,624.70/165,970,001.85 = 81,925,234.30/x
  3. Step 3: Cross multiply
    110,835,624.70x = 165,970,001.85 × 81,925,234.30
  4. Step 4: Simplify right side
    110,835,624.70x = 13,597,131,288,332,682
  5. Step 5: Solve for x
    x = 13,597,131,288,332,682/110,835,624.70
  6. Step 6: Final answer
    x = 122,678,347.55

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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.