Home / 120,379,792.53-180,263,153.14-79,314,733.97

Finding the Fourth Proportional to 120,379,792.53, 180,263,153.14 and 79,314,733.97

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Solution

The fourth proportional to 120,379,792.53, 180,263,153.14 and 79,314,733.97 is: 118,770,133.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,379,792.53 : 180,263,153.14 = 79,314,733.97 : x
  2. Step 2: Convert to fraction form
    120,379,792.53/180,263,153.14 = 79,314,733.97/x
  3. Step 3: Cross multiply
    120,379,792.53x = 180,263,153.14 × 79,314,733.97
  4. Step 4: Simplify right side
    120,379,792.53x = 14,297,524,034,792,868
  5. Step 5: Solve for x
    x = 14,297,524,034,792,868/120,379,792.53
  6. Step 6: Final answer
    x = 118,770,133.54

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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.