Home / 127,568,129.06-191,380,100.61-41,315,254.76

Finding the Fourth Proportional to 127,568,129.06, 191,380,100.61 and 41,315,254.76

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Solution

The fourth proportional to 127,568,129.06, 191,380,100.61 and 41,315,254.76 is: 61,981,920.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,568,129.06 : 191,380,100.61 = 41,315,254.76 : x
  2. Step 2: Convert to fraction form
    127,568,129.06/191,380,100.61 = 41,315,254.76/x
  3. Step 3: Cross multiply
    127,568,129.06x = 191,380,100.61 × 41,315,254.76
  4. Step 4: Simplify right side
    127,568,129.06x = 7,906,917,611,739,682
  5. Step 5: Solve for x
    x = 7,906,917,611,739,682/127,568,129.06
  6. Step 6: Final answer
    x = 61,981,920.33

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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.