Home / 206,580,494.51-285,078,265.85-117,271,661.87

Finding the Fourth Proportional to 206,580,494.51, 285,078,265.85 and 117,271,661.87

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Solution

The fourth proportional to 206,580,494.51, 285,078,265.85 and 117,271,661.87 is: 161,833,294.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,580,494.51 : 285,078,265.85 = 117,271,661.87 : x
  2. Step 2: Convert to fraction form
    206,580,494.51/285,078,265.85 = 117,271,661.87/x
  3. Step 3: Cross multiply
    206,580,494.51x = 285,078,265.85 × 117,271,661.87
  4. Step 4: Simplify right side
    206,580,494.51x = 33,431,601,997,235,420
  5. Step 5: Solve for x
    x = 33,431,601,997,235,420/206,580,494.51
  6. Step 6: Final answer
    x = 161,833,294.46

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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.