Home / 167,843,390,976.78-231,647,504,690.61-106,856,276,825.58

Finding the Fourth Proportional to 167,843,390,976.78, 231,647,504,690.61 and 106,856,276,825.58

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Solution

The fourth proportional to 167,843,390,976.78, 231,647,504,690.61 and 106,856,276,825.58 is: 147,476,702,794.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,843,390,976.78 : 231,647,504,690.61 = 106,856,276,825.58 : x
  2. Step 2: Convert to fraction form
    167,843,390,976.78/231,647,504,690.61 = 106,856,276,825.58/x
  3. Step 3: Cross multiply
    167,843,390,976.78x = 231,647,504,690.61 × 106,856,276,825.58
  4. Step 4: Simplify right side
    167,843,390,976.78x = 24,752,989,887,174,662,946,816
  5. Step 5: Solve for x
    x = 24,752,989,887,174,662,946,816/167,843,390,976.78
  6. Step 6: Final answer
    x = 147,476,702,794.92

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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.