Home / 49,384,538.65-68,138,351.56-28,482,964.12

Finding the Fourth Proportional to 49,384,538.65, 68,138,351.56 and 28,482,964.12

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Solution

The fourth proportional to 49,384,538.65, 68,138,351.56 and 28,482,964.12 is: 39,299,389.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,384,538.65 : 68,138,351.56 = 28,482,964.12 : x
  2. Step 2: Convert to fraction form
    49,384,538.65/68,138,351.56 = 28,482,964.12/x
  3. Step 3: Cross multiply
    49,384,538.65x = 68,138,351.56 × 28,482,964.12
  4. Step 4: Simplify right side
    49,384,538.65x = 1,940,782,222,679,426.25
  5. Step 5: Solve for x
    x = 1,940,782,222,679,426.25/49,384,538.65
  6. Step 6: Final answer
    x = 39,299,389.56

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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.