Home / 212,168,045.88-318,252,157.11-95,447,067.39

Finding the Fourth Proportional to 212,168,045.88, 318,252,157.11 and 95,447,067.39

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Solution

The fourth proportional to 212,168,045.88, 318,252,157.11 and 95,447,067.39 is: 143,170,640.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,168,045.88 : 318,252,157.11 = 95,447,067.39 : x
  2. Step 2: Convert to fraction form
    212,168,045.88/318,252,157.11 = 95,447,067.39/x
  3. Step 3: Cross multiply
    212,168,045.88x = 318,252,157.11 × 95,447,067.39
  4. Step 4: Simplify right side
    212,168,045.88x = 30,376,235,086,691,040
  5. Step 5: Solve for x
    x = 30,376,235,086,691,040/212,168,045.88
  6. Step 6: Final answer
    x = 143,170,640.80

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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.