Home / 230,568,780.83-318,192,505.43-126,144,462.51

Finding the Fourth Proportional to 230,568,780.83, 318,192,505.43 and 126,144,462.51

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Solution

The fourth proportional to 230,568,780.83, 318,192,505.43 and 126,144,462.51 is: 174,083,509.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,568,780.83 : 318,192,505.43 = 126,144,462.51 : x
  2. Step 2: Convert to fraction form
    230,568,780.83/318,192,505.43 = 126,144,462.51/x
  3. Step 3: Cross multiply
    230,568,780.83x = 318,192,505.43 × 126,144,462.51
  4. Step 4: Simplify right side
    230,568,780.83x = 40,138,222,571,546,888
  5. Step 5: Solve for x
    x = 40,138,222,571,546,888/230,568,780.83
  6. Step 6: Final answer
    x = 174,083,509.61

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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.