Home / 71,932,882.56-107,870,922-28,794,045.12

Finding the Fourth Proportional to 71,932,882.56, 107,870,922 and 28,794,045.12

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Solution

The fourth proportional to 71,932,882.56, 107,870,922 and 28,794,045.12 is: 43,179,698.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,932,882.56 : 107,870,922 = 28,794,045.12 : x
  2. Step 2: Convert to fraction form
    71,932,882.56/107,870,922 = 28,794,045.12/x
  3. Step 3: Cross multiply
    71,932,882.56x = 107,870,922 × 28,794,045.12
  4. Step 4: Simplify right side
    71,932,882.56x = 3,106,040,195,204,001
  5. Step 5: Solve for x
    x = 3,106,040,195,204,001/71,932,882.56
  6. Step 6: Final answer
    x = 43,179,698.70

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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.