Home / 82,680,297.72-123,937,076.34-51,996,805.62

Finding the Fourth Proportional to 82,680,297.72, 123,937,076.34 and 51,996,805.62

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Solution

The fourth proportional to 82,680,297.72, 123,937,076.34 and 51,996,805.62 is: 77,942,777.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,680,297.72 : 123,937,076.34 = 51,996,805.62 : x
  2. Step 2: Convert to fraction form
    82,680,297.72/123,937,076.34 = 51,996,805.62/x
  3. Step 3: Cross multiply
    82,680,297.72x = 123,937,076.34 × 51,996,805.62
  4. Step 4: Simplify right side
    82,680,297.72x = 6,444,332,067,562,081
  5. Step 5: Solve for x
    x = 6,444,332,067,562,081/82,680,297.72
  6. Step 6: Final answer
    x = 77,942,777.73

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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.