Home / 120,228,991,073.44-165,972,496,115.05-69,470,115,198.46

Finding the Fourth Proportional to 120,228,991,073.44, 165,972,496,115.05 and 69,470,115,198.46

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Solution

The fourth proportional to 120,228,991,073.44, 165,972,496,115.05 and 69,470,115,198.46 is: 95,901,398,838.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,228,991,073.44 : 165,972,496,115.05 = 69,470,115,198.46 : x
  2. Step 2: Convert to fraction form
    120,228,991,073.44/165,972,496,115.05 = 69,470,115,198.46/x
  3. Step 3: Cross multiply
    120,228,991,073.44x = 165,972,496,115.05 × 69,470,115,198.46
  4. Step 4: Simplify right side
    120,228,991,073.44x = 11,530,128,424,887,811,833,856
  5. Step 5: Solve for x
    x = 11,530,128,424,887,811,833,856/120,228,991,073.44
  6. Step 6: Final answer
    x = 95,901,398,838.53

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1.5x scale

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.