Home / 127,568,130.56-191,380,102.86-41,315,256.26

Finding the Fourth Proportional to 127,568,130.56, 191,380,102.86 and 41,315,256.26

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Solution

The fourth proportional to 127,568,130.56, 191,380,102.86 and 41,315,256.26 is: 61,981,922.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,568,130.56 : 191,380,102.86 = 41,315,256.26 : x
  2. Step 2: Convert to fraction form
    127,568,130.56/191,380,102.86 = 41,315,256.26/x
  3. Step 3: Cross multiply
    127,568,130.56x = 191,380,102.86 × 41,315,256.26
  4. Step 4: Simplify right side
    127,568,130.56x = 7,906,917,991,769,159
  5. Step 5: Solve for x
    x = 7,906,917,991,769,159/127,568,130.56
  6. Step 6: Final answer
    x = 61,981,922.58

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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.