Home / 199,296,561.20-298,944,841.80-113,203,119.20

Finding the Fourth Proportional to 199,296,561.20, 298,944,841.80 and 113,203,119.20

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Solution

The fourth proportional to 199,296,561.20, 298,944,841.80 and 113,203,119.20 is: 169,804,678.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,296,561.20 : 298,944,841.80 = 113,203,119.20 : x
  2. Step 2: Convert to fraction form
    199,296,561.20/298,944,841.80 = 113,203,119.20/x
  3. Step 3: Cross multiply
    199,296,561.20x = 298,944,841.80 × 113,203,119.20
  4. Step 4: Simplify right side
    199,296,561.20x = 33,841,488,560,510,544
  5. Step 5: Solve for x
    x = 33,841,488,560,510,544/199,296,561.20
  6. Step 6: Final answer
    x = 169,804,678.80

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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.