Home / 309,773,606.68-427,471,348.26-170,517,169

Finding the Fourth Proportional to 309,773,606.68, 427,471,348.26 and 170,517,169

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Solution

The fourth proportional to 309,773,606.68, 427,471,348.26 and 170,517,169 is: 235,304,759.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,773,606.68 : 427,471,348.26 = 170,517,169 : x
  2. Step 2: Convert to fraction form
    309,773,606.68/427,471,348.26 = 170,517,169/x
  3. Step 3: Cross multiply
    309,773,606.68x = 427,471,348.26 × 170,517,169
  4. Step 4: Simplify right side
    309,773,606.68x = 72,891,204,133,908,272
  5. Step 5: Solve for x
    x = 72,891,204,133,908,272/309,773,606.68
  6. Step 6: Final answer
    x = 235,304,759.87

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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.