Home / 161,819,090.20-242,728,635.30-159,131,704.60

Finding the Fourth Proportional to 161,819,090.20, 242,728,635.30 and 159,131,704.60

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Solution

The fourth proportional to 161,819,090.20, 242,728,635.30 and 159,131,704.60 is: 238,697,556.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,819,090.20 : 242,728,635.30 = 159,131,704.60 : x
  2. Step 2: Convert to fraction form
    161,819,090.20/242,728,635.30 = 159,131,704.60/x
  3. Step 3: Cross multiply
    161,819,090.20x = 242,728,635.30 × 159,131,704.60
  4. Step 4: Simplify right side
    161,819,090.20x = 38,625,821,490,520,736
  5. Step 5: Solve for x
    x = 38,625,821,490,520,736/161,819,090.20
  6. Step 6: Final answer
    x = 238,697,556.90

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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.