Home / 225,667,660.82-311,289,430.37-141,903,220.73

Finding the Fourth Proportional to 225,667,660.82, 311,289,430.37 and 141,903,220.73

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Solution

The fourth proportional to 225,667,660.82, 311,289,430.37 and 141,903,220.73 is: 195,743,477.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,667,660.82 : 311,289,430.37 = 141,903,220.73 : x
  2. Step 2: Convert to fraction form
    225,667,660.82/311,289,430.37 = 141,903,220.73/x
  3. Step 3: Cross multiply
    225,667,660.82x = 311,289,430.37 × 141,903,220.73
  4. Step 4: Simplify right side
    225,667,660.82x = 44,172,972,746,444,112
  5. Step 5: Solve for x
    x = 44,172,972,746,444,112/225,667,660.82
  6. Step 6: Final answer
    x = 195,743,477.76

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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.