Home / 212,218,657.32-318,327,965.46-58,864,720.44

Finding the Fourth Proportional to 212,218,657.32, 318,327,965.46 and 58,864,720.44

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Solution

The fourth proportional to 212,218,657.32, 318,327,965.46 and 58,864,720.44 is: 88,297,074.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,218,657.32 : 318,327,965.46 = 58,864,720.44 : x
  2. Step 2: Convert to fraction form
    212,218,657.32/318,327,965.46 = 58,864,720.44/x
  3. Step 3: Cross multiply
    212,218,657.32x = 318,327,965.46 × 58,864,720.44
  4. Step 4: Simplify right side
    212,218,657.32x = 18,738,286,695,036,872
  5. Step 5: Solve for x
    x = 18,738,286,695,036,872/212,218,657.32
  6. Step 6: Final answer
    x = 88,297,074.97

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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.