Home / 166,399,798.28-229,635,986.22-100,324,533.17

Finding the Fourth Proportional to 166,399,798.28, 229,635,986.22 and 100,324,533.17

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Solution

The fourth proportional to 166,399,798.28, 229,635,986.22 and 100,324,533.17 is: 138,450,426.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,399,798.28 : 229,635,986.22 = 100,324,533.17 : x
  2. Step 2: Convert to fraction form
    166,399,798.28/229,635,986.22 = 100,324,533.17/x
  3. Step 3: Cross multiply
    166,399,798.28x = 229,635,986.22 × 100,324,533.17
  4. Step 4: Simplify right side
    166,399,798.28x = 23,038,123,115,405,876
  5. Step 5: Solve for x
    x = 23,038,123,115,405,876/166,399,798.28
  6. Step 6: Final answer
    x = 138,450,426.95

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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.