Home / 203,940,491.94-281,437,919.38-111,120,999.78

Finding the Fourth Proportional to 203,940,491.94, 281,437,919.38 and 111,120,999.78

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Solution

The fourth proportional to 203,940,491.94, 281,437,919.38 and 111,120,999.78 is: 153,347,001.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,940,491.94 : 281,437,919.38 = 111,120,999.78 : x
  2. Step 2: Convert to fraction form
    203,940,491.94/281,437,919.38 = 111,120,999.78/x
  3. Step 3: Cross multiply
    203,940,491.94x = 281,437,919.38 × 111,120,999.78
  4. Step 4: Simplify right side
    203,940,491.94x = 31,273,662,977,508,636
  5. Step 5: Solve for x
    x = 31,273,662,977,508,636/203,940,491.94
  6. Step 6: Final answer
    x = 153,347,001.77

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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.