Home / 172,504,805.72-258,606,043.14-64,875,012.44

Finding the Fourth Proportional to 172,504,805.72, 258,606,043.14 and 64,875,012.44

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Solution

The fourth proportional to 172,504,805.72, 258,606,043.14 and 64,875,012.44 is: 97,255,668.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,504,805.72 : 258,606,043.14 = 64,875,012.44 : x
  2. Step 2: Convert to fraction form
    172,504,805.72/258,606,043.14 = 64,875,012.44/x
  3. Step 3: Cross multiply
    172,504,805.72x = 258,606,043.14 × 64,875,012.44
  4. Step 4: Simplify right side
    172,504,805.72x = 16,777,070,265,766,676
  5. Step 5: Solve for x
    x = 16,777,070,265,766,676/172,504,805.72
  6. Step 6: Final answer
    x = 97,255,668.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.