Home / 82,374,874.12-123,569,573.56-30,560,077

Finding the Fourth Proportional to 82,374,874.12, 123,569,573.56 and 30,560,077

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Solution

The fourth proportional to 82,374,874.12, 123,569,573.56 and 30,560,077 is: 45,842,809.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,374,874.12 : 123,569,573.56 = 30,560,077 : x
  2. Step 2: Convert to fraction form
    82,374,874.12/123,569,573.56 = 30,560,077/x
  3. Step 3: Cross multiply
    82,374,874.12x = 123,569,573.56 × 30,560,077
  4. Step 4: Simplify right side
    82,374,874.12x = 3,776,295,682,850,764
  5. Step 5: Solve for x
    x = 3,776,295,682,850,764/82,374,874.12
  6. Step 6: Final answer
    x = 45,842,809.75

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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.