Home / 57,780,724.31-79,737,107.19-31,318,971.56

Finding the Fourth Proportional to 57,780,724.31, 79,737,107.19 and 31,318,971.56

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Solution

The fourth proportional to 57,780,724.31, 79,737,107.19 and 31,318,971.56 is: 43,220,022.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,780,724.31 : 79,737,107.19 = 31,318,971.56 : x
  2. Step 2: Convert to fraction form
    57,780,724.31/79,737,107.19 = 31,318,971.56/x
  3. Step 3: Cross multiply
    57,780,724.31x = 79,737,107.19 × 31,318,971.56
  4. Step 4: Simplify right side
    57,780,724.31x = 2,497,284,192,143,164
  5. Step 5: Solve for x
    x = 2,497,284,192,143,164/57,780,724.31
  6. Step 6: Final answer
    x = 43,220,022.28

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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.