Home / 213,052,115.76-319,670,239.33-114,568,714.25

Finding the Fourth Proportional to 213,052,115.76, 319,670,239.33 and 114,568,714.25

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Solution

The fourth proportional to 213,052,115.76, 319,670,239.33 and 114,568,714.25 is: 171,902,579.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,052,115.76 : 319,670,239.33 = 114,568,714.25 : x
  2. Step 2: Convert to fraction form
    213,052,115.76/319,670,239.33 = 114,568,714.25/x
  3. Step 3: Cross multiply
    213,052,115.76x = 319,670,239.33 × 114,568,714.25
  4. Step 4: Simplify right side
    213,052,115.76x = 36,624,208,304,540,632
  5. Step 5: Solve for x
    x = 36,624,208,304,540,632/213,052,115.76
  6. Step 6: Final answer
    x = 171,902,579.68

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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.