Home / 81,012,462.57-111,797,895.06-46,206,915.21

Finding the Fourth Proportional to 81,012,462.57, 111,797,895.06 and 46,206,915.21

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Solution

The fourth proportional to 81,012,462.57, 111,797,895.06 and 46,206,915.21 is: 63,765,940.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,012,462.57 : 111,797,895.06 = 46,206,915.21 : x
  2. Step 2: Convert to fraction form
    81,012,462.57/111,797,895.06 = 46,206,915.21/x
  3. Step 3: Cross multiply
    81,012,462.57x = 111,797,895.06 × 46,206,915.21
  4. Step 4: Simplify right side
    81,012,462.57x = 5,165,835,857,693,898
  5. Step 5: Solve for x
    x = 5,165,835,857,693,898/81,012,462.57
  6. Step 6: Final answer
    x = 63,765,940.37

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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.