Home / 203,940,490.94-281,437,918.00-111,120,998.78

Finding the Fourth Proportional to 203,940,490.94, 281,437,918.00 and 111,120,998.78

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Solution

The fourth proportional to 203,940,490.94, 281,437,918.00 and 111,120,998.78 is: 153,347,000.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,940,490.94 : 281,437,918.00 = 111,120,998.78 : x
  2. Step 2: Convert to fraction form
    203,940,490.94/281,437,918.00 = 111,120,998.78/x
  3. Step 3: Cross multiply
    203,940,490.94x = 281,437,918.00 × 111,120,998.78
  4. Step 4: Simplify right side
    203,940,490.94x = 31,273,662,543,149,532
  5. Step 5: Solve for x
    x = 31,273,662,543,149,532/203,940,490.94
  6. Step 6: Final answer
    x = 153,347,000.39

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.