Home / 133,840,363.20-200,760,544.80-79,959,940.80

Finding the Fourth Proportional to 133,840,363.20, 200,760,544.80 and 79,959,940.80

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Solution

The fourth proportional to 133,840,363.20, 200,760,544.80 and 79,959,940.80 is: 119,939,911.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,840,363.20 : 200,760,544.80 = 79,959,940.80 : x
  2. Step 2: Convert to fraction form
    133,840,363.20/200,760,544.80 = 79,959,940.80/x
  3. Step 3: Cross multiply
    133,840,363.20x = 200,760,544.80 × 79,959,940.80
  4. Step 4: Simplify right side
    133,840,363.20x = 16,052,801,277,183,748
  5. Step 5: Solve for x
    x = 16,052,801,277,183,748/133,840,363.20
  6. Step 6: Final answer
    x = 119,939,911.20

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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.