Home / 82,981,106.48-124,491,211.08-28,394,286.32

Finding the Fourth Proportional to 82,981,106.48, 124,491,211.08 and 28,394,286.32

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Solution

The fourth proportional to 82,981,106.48, 124,491,211.08 and 28,394,286.32 is: 42,598,119.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,981,106.48 : 124,491,211.08 = 28,394,286.32 : x
  2. Step 2: Convert to fraction form
    82,981,106.48/124,491,211.08 = 28,394,286.32/x
  3. Step 3: Cross multiply
    82,981,106.48x = 124,491,211.08 × 28,394,286.32
  4. Step 4: Simplify right side
    82,981,106.48x = 3,534,839,091,729,076.50
  5. Step 5: Solve for x
    x = 3,534,839,091,729,076.50/82,981,106.48
  6. Step 6: Final answer
    x = 42,598,119.52

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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.