Home / 212,218,729.82-318,328,074.21-58,864,792.94

Finding the Fourth Proportional to 212,218,729.82, 318,328,074.21 and 58,864,792.94

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Solution

The fourth proportional to 212,218,729.82, 318,328,074.21 and 58,864,792.94 is: 88,297,183.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,218,729.82 : 318,328,074.21 = 58,864,792.94 : x
  2. Step 2: Convert to fraction form
    212,218,729.82/318,328,074.21 = 58,864,792.94/x
  3. Step 3: Cross multiply
    212,218,729.82x = 318,328,074.21 × 58,864,792.94
  4. Step 4: Simplify right side
    212,218,729.82x = 18,738,316,175,360,604
  5. Step 5: Solve for x
    x = 18,738,316,175,360,604/212,218,729.82
  6. Step 6: Final answer
    x = 88,297,183.72

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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.