Home / 69,770,074.55-104,647,126.23-18,656,079.17

Finding the Fourth Proportional to 69,770,074.55, 104,647,126.23 and 18,656,079.17

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Solution

The fourth proportional to 69,770,074.55, 104,647,126.23 and 18,656,079.17 is: 27,981,983.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,770,074.55 : 104,647,126.23 = 18,656,079.17 : x
  2. Step 2: Convert to fraction form
    69,770,074.55/104,647,126.23 = 18,656,079.17/x
  3. Step 3: Cross multiply
    69,770,074.55x = 104,647,126.23 × 18,656,079.17
  4. Step 4: Simplify right side
    69,770,074.55x = 1,952,305,071,336,628
  5. Step 5: Solve for x
    x = 1,952,305,071,336,628/69,770,074.55
  6. Step 6: Final answer
    x = 27,981,983.45

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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.