Home / 167,557,871.96-231,231,991.28-92,212,874.76

Finding the Fourth Proportional to 167,557,871.96, 231,231,991.28 and 92,212,874.76

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Solution

The fourth proportional to 167,557,871.96, 231,231,991.28 and 92,212,874.76 is: 127,254,938.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,557,871.96 : 231,231,991.28 = 92,212,874.76 : x
  2. Step 2: Convert to fraction form
    167,557,871.96/231,231,991.28 = 92,212,874.76/x
  3. Step 3: Cross multiply
    167,557,871.96x = 231,231,991.28 × 92,212,874.76
  4. Step 4: Simplify right side
    167,557,871.96x = 21,322,566,651,946,988
  5. Step 5: Solve for x
    x = 21,322,566,651,946,988/167,557,871.96
  6. Step 6: Final answer
    x = 127,254,938.27

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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.