Home / 112,131,745.20-168,197,617.80-110,620,090.80

Finding the Fourth Proportional to 112,131,745.20, 168,197,617.80 and 110,620,090.80

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Solution

The fourth proportional to 112,131,745.20, 168,197,617.80 and 110,620,090.80 is: 165,930,136.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,131,745.20 : 168,197,617.80 = 110,620,090.80 : x
  2. Step 2: Convert to fraction form
    112,131,745.20/168,197,617.80 = 110,620,090.80/x
  3. Step 3: Cross multiply
    112,131,745.20x = 168,197,617.80 × 110,620,090.80
  4. Step 4: Simplify right side
    112,131,745.20x = 18,606,035,753,379,696
  5. Step 5: Solve for x
    x = 18,606,035,753,379,696/112,131,745.20
  6. Step 6: Final answer
    x = 165,930,136.20

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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.