Home / 304,437,119.53-420,123,227.97-165,207,881.30

Finding the Fourth Proportional to 304,437,119.53, 420,123,227.97 and 165,207,881.30

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Solution

The fourth proportional to 304,437,119.53, 420,123,227.97 and 165,207,881.30 is: 227,986,877.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,437,119.53 : 420,123,227.97 = 165,207,881.30 : x
  2. Step 2: Convert to fraction form
    304,437,119.53/420,123,227.97 = 165,207,881.30/x
  3. Step 3: Cross multiply
    304,437,119.53x = 420,123,227.97 × 165,207,881.30
  4. Step 4: Simplify right side
    304,437,119.53x = 69,407,668,377,840,608
  5. Step 5: Solve for x
    x = 69,407,668,377,840,608/304,437,119.53
  6. Step 6: Final answer
    x = 227,986,877.83

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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.