Home / 227,945,771.40-342,086,618.70-91,728,913.80

Finding the Fourth Proportional to 227,945,771.40, 342,086,618.70 and 91,728,913.80

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Solution

The fourth proportional to 227,945,771.40, 342,086,618.70 and 91,728,913.80 is: 137,660,961.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,945,771.40 : 342,086,618.70 = 91,728,913.80 : x
  2. Step 2: Convert to fraction form
    227,945,771.40/342,086,618.70 = 91,728,913.80/x
  3. Step 3: Cross multiply
    227,945,771.40x = 342,086,618.70 × 91,728,913.80
  4. Step 4: Simplify right side
    227,945,771.40x = 31,379,233,958,865,764
  5. Step 5: Solve for x
    x = 31,379,233,958,865,764/227,945,771.40
  6. Step 6: Final answer
    x = 137,660,961.05

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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.