Home / 166,299,117.31-229,494,266.85-91,964,707.75

Finding the Fourth Proportional to 166,299,117.31, 229,494,266.85 and 91,964,707.75

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Solution

The fourth proportional to 166,299,117.31, 229,494,266.85 and 91,964,707.75 is: 126,912,117.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,299,117.31 : 229,494,266.85 = 91,964,707.75 : x
  2. Step 2: Convert to fraction form
    166,299,117.31/229,494,266.85 = 91,964,707.75/x
  3. Step 3: Cross multiply
    166,299,117.31x = 229,494,266.85 × 91,964,707.75
  4. Step 4: Simplify right side
    166,299,117.31x = 21,105,373,181,160,764
  5. Step 5: Solve for x
    x = 21,105,373,181,160,764/166,299,117.31
  6. Step 6: Final answer
    x = 126,912,117.89

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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.