Home / 263,765,618.40-395,369,186.48-88,722,016.64

Finding the Fourth Proportional to 263,765,618.40, 395,369,186.48 and 88,722,016.64

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Solution

The fourth proportional to 263,765,618.40, 395,369,186.48 and 88,722,016.64 is: 132,989,097.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,765,618.40 : 395,369,186.48 = 88,722,016.64 : x
  2. Step 2: Convert to fraction form
    263,765,618.40/395,369,186.48 = 88,722,016.64/x
  3. Step 3: Cross multiply
    263,765,618.40x = 395,369,186.48 × 88,722,016.64
  4. Step 4: Simplify right side
    263,765,618.40x = 35,077,951,541,821,824
  5. Step 5: Solve for x
    x = 35,077,951,541,821,824/263,765,618.40
  6. Step 6: Final answer
    x = 132,989,097.50

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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.