Home / 133,345,391.20-200,018,086.80-75,949,763.20

Finding the Fourth Proportional to 133,345,391.20, 200,018,086.80 and 75,949,763.20

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Solution

The fourth proportional to 133,345,391.20, 200,018,086.80 and 75,949,763.20 is: 113,924,644.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,345,391.20 : 200,018,086.80 = 75,949,763.20 : x
  2. Step 2: Convert to fraction form
    133,345,391.20/200,018,086.80 = 75,949,763.20/x
  3. Step 3: Cross multiply
    133,345,391.20x = 200,018,086.80 × 75,949,763.20
  4. Step 4: Simplify right side
    133,345,391.20x = 15,191,326,328,177,048
  5. Step 5: Solve for x
    x = 15,191,326,328,177,048/133,345,391.20
  6. Step 6: Final answer
    x = 113,924,644.80

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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.