Home / 274,869,406.47-412,304,186.31-80,780,810.97

Finding the Fourth Proportional to 274,869,406.47, 412,304,186.31 and 80,780,810.97

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Solution

The fourth proportional to 274,869,406.47, 412,304,186.31 and 80,780,810.97 is: 121,171,238.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,869,406.47 : 412,304,186.31 = 80,780,810.97 : x
  2. Step 2: Convert to fraction form
    274,869,406.47/412,304,186.31 = 80,780,810.97/x
  3. Step 3: Cross multiply
    274,869,406.47x = 412,304,186.31 × 80,780,810.97
  4. Step 4: Simplify right side
    274,869,406.47x = 33,306,266,536,447,772
  5. Step 5: Solve for x
    x = 33,306,266,536,447,772/274,869,406.47
  6. Step 6: Final answer
    x = 121,171,238.97

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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.