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Finding the Fourth Proportional to 199,683,469.20, 299,501,584.20 and 54,108,001.20

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Solution

The fourth proportional to 199,683,469.20, 299,501,584.20 and 54,108,001.20 is: 81,155,601.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,683,469.20 : 299,501,584.20 = 54,108,001.20 : x
  2. Step 2: Convert to fraction form
    199,683,469.20/299,501,584.20 = 54,108,001.20/x
  3. Step 3: Cross multiply
    199,683,469.20x = 299,501,584.20 × 54,108,001.20
  4. Step 4: Simplify right side
    199,683,469.20x = 16,205,432,077,295,502
  5. Step 5: Solve for x
    x = 16,205,432,077,295,502/199,683,469.20
  6. Step 6: Final answer
    x = 81,155,601.62

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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.