Home / 167,557,869.02-231,231,987.23-92,212,871.78

Finding the Fourth Proportional to 167,557,869.02, 231,231,987.23 and 92,212,871.78

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Solution

The fourth proportional to 167,557,869.02, 231,231,987.23 and 92,212,871.78 is: 127,254,934.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,557,869.02 : 231,231,987.23 = 92,212,871.78 : x
  2. Step 2: Convert to fraction form
    167,557,869.02/231,231,987.23 = 92,212,871.78/x
  3. Step 3: Cross multiply
    167,557,869.02x = 231,231,987.23 × 92,212,871.78
  4. Step 4: Simplify right side
    167,557,869.02x = 21,322,565,589,405,864
  5. Step 5: Solve for x
    x = 21,322,565,589,405,864/167,557,869.02
  6. Step 6: Final answer
    x = 127,254,934.16

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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.