Home / 206,247,467.88-285,370,977.53-179,840,885.79

Finding the Fourth Proportional to 206,247,467.88, 285,370,977.53 and 179,840,885.79

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Solution

The fourth proportional to 206,247,467.88, 285,370,977.53 and 179,840,885.79 is: 248,833,936.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,247,467.88 : 285,370,977.53 = 179,840,885.79 : x
  2. Step 2: Convert to fraction form
    206,247,467.88/285,370,977.53 = 179,840,885.79/x
  3. Step 3: Cross multiply
    206,247,467.88x = 285,370,977.53 × 179,840,885.79
  4. Step 4: Simplify right side
    206,247,467.88x = 51,321,369,375,427,320
  5. Step 5: Solve for x
    x = 51,321,369,375,427,320/206,247,467.88
  6. Step 6: Final answer
    x = 248,833,936.74

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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.