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Finding the Fourth Proportional to 227,231,998.80, 340,456,087.80 and 105,814,424.40

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Solution

The fourth proportional to 227,231,998.80, 340,456,087.80 and 105,814,424.40 is: 158,539,136.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,231,998.80 : 340,456,087.80 = 105,814,424.40 : x
  2. Step 2: Convert to fraction form
    227,231,998.80/340,456,087.80 = 105,814,424.40/x
  3. Step 3: Cross multiply
    227,231,998.80x = 340,456,087.80 × 105,814,424.40
  4. Step 4: Simplify right side
    227,231,998.80x = 36,025,164,964,032,864
  5. Step 5: Solve for x
    x = 36,025,164,964,032,864/227,231,998.80
  6. Step 6: Final answer
    x = 158,539,136.89

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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.