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Finding the Fourth Proportional to 218,613,964.90, 327,873,708.15 and 95,792,044.90

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Solution

The fourth proportional to 218,613,964.90, 327,873,708.15 and 95,792,044.90 is: 143,667,368.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,613,964.90 : 327,873,708.15 = 95,792,044.90 : x
  2. Step 2: Convert to fraction form
    218,613,964.90/327,873,708.15 = 95,792,044.90/x
  3. Step 3: Cross multiply
    218,613,964.90x = 327,873,708.15 × 95,792,044.90
  4. Step 4: Simplify right side
    218,613,964.90x = 31,407,692,972,634,296
  5. Step 5: Solve for x
    x = 31,407,692,972,634,296/218,613,964.90
  6. Step 6: Final answer
    x = 143,667,368.13

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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.