Home / 168,511,142.88-252,775,466.64-53,504,690.40

Finding the Fourth Proportional to 168,511,142.88, 252,775,466.64 and 53,504,690.40

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Solution

The fourth proportional to 168,511,142.88, 252,775,466.64 and 53,504,690.40 is: 80,259,814.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,511,142.88 : 252,775,466.64 = 53,504,690.40 : x
  2. Step 2: Convert to fraction form
    168,511,142.88/252,775,466.64 = 53,504,690.40/x
  3. Step 3: Cross multiply
    168,511,142.88x = 252,775,466.64 × 53,504,690.40
  4. Step 4: Simplify right side
    168,511,142.88x = 13,524,673,083,288,728
  5. Step 5: Solve for x
    x = 13,524,673,083,288,728/168,511,142.88
  6. Step 6: Final answer
    x = 80,259,814.59

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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.