Home / 206,580,493.01-285,078,263.78-117,271,660.37

Finding the Fourth Proportional to 206,580,493.01, 285,078,263.78 and 117,271,660.37

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Solution

The fourth proportional to 206,580,493.01, 285,078,263.78 and 117,271,660.37 is: 161,833,292.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,580,493.01 : 285,078,263.78 = 117,271,660.37 : x
  2. Step 2: Convert to fraction form
    206,580,493.01/285,078,263.78 = 117,271,660.37/x
  3. Step 3: Cross multiply
    206,580,493.01x = 285,078,263.78 × 117,271,660.37
  4. Step 4: Simplify right side
    206,580,493.01x = 33,431,601,326,865,680
  5. Step 5: Solve for x
    x = 33,431,601,326,865,680/206,580,493.01
  6. Step 6: Final answer
    x = 161,833,292.39

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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.