Home / 210,131,556.42-289,986,136.53-116,045,511.66

Finding the Fourth Proportional to 210,131,556.42, 289,986,136.53 and 116,045,511.66

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Solution

The fourth proportional to 210,131,556.42, 289,986,136.53 and 116,045,511.66 is: 160,145,340.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,131,556.42 : 289,986,136.53 = 116,045,511.66 : x
  2. Step 2: Convert to fraction form
    210,131,556.42/289,986,136.53 = 116,045,511.66/x
  3. Step 3: Cross multiply
    210,131,556.42x = 289,986,136.53 × 116,045,511.66
  4. Step 4: Simplify right side
    210,131,556.42x = 33,651,589,587,930,464
  5. Step 5: Solve for x
    x = 33,651,589,587,930,464/210,131,556.42
  6. Step 6: Final answer
    x = 160,145,340.19

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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.