Home / 271,328,556.06-406,993,057.65-66,856,653.18

Finding the Fourth Proportional to 271,328,556.06, 406,993,057.65 and 66,856,653.18

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Solution

The fourth proportional to 271,328,556.06, 406,993,057.65 and 66,856,653.18 is: 100,285,034.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,328,556.06 : 406,993,057.65 = 66,856,653.18 : x
  2. Step 2: Convert to fraction form
    271,328,556.06/406,993,057.65 = 66,856,653.18/x
  3. Step 3: Cross multiply
    271,328,556.06x = 406,993,057.65 × 66,856,653.18
  4. Step 4: Simplify right side
    271,328,556.06x = 27,210,193,701,973,796
  5. Step 5: Solve for x
    x = 27,210,193,701,973,796/271,328,556.06
  6. Step 6: Final answer
    x = 100,285,034.86

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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.