Home / 133,383,187.11-200,303,745.18-81,870,278.88

Finding the Fourth Proportional to 133,383,187.11, 200,303,745.18 and 81,870,278.88

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Solution

The fourth proportional to 133,383,187.11, 200,303,745.18 and 81,870,278.88 is: 122,945,956.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,383,187.11 : 200,303,745.18 = 81,870,278.88 : x
  2. Step 2: Convert to fraction form
    133,383,187.11/200,303,745.18 = 81,870,278.88/x
  3. Step 3: Cross multiply
    133,383,187.11x = 200,303,745.18 × 81,870,278.88
  4. Step 4: Simplify right side
    133,383,187.11x = 16,398,923,478,595,056
  5. Step 5: Solve for x
    x = 16,398,923,478,595,056/133,383,187.11
  6. Step 6: Final answer
    x = 122,945,956.19

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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.