Home / 225,724,392.88-311,474,756.73-126,584,738.89

Finding the Fourth Proportional to 225,724,392.88, 311,474,756.73 and 126,584,738.89

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Solution

The fourth proportional to 225,724,392.88, 311,474,756.73 and 126,584,738.89 is: 174,672,972.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,724,392.88 : 311,474,756.73 = 126,584,738.89 : x
  2. Step 2: Convert to fraction form
    225,724,392.88/311,474,756.73 = 126,584,738.89/x
  3. Step 3: Cross multiply
    225,724,392.88x = 311,474,756.73 × 126,584,738.89
  4. Step 4: Simplify right side
    225,724,392.88x = 39,427,950,751,493,320
  5. Step 5: Solve for x
    x = 39,427,950,751,493,320/225,724,392.88
  6. Step 6: Final answer
    x = 174,672,972.86

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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.