Home / 57,786,738.67-79,743,583.23-31,680,683.71

Finding the Fourth Proportional to 57,786,738.67, 79,743,583.23 and 31,680,683.71

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Solution

The fourth proportional to 57,786,738.67, 79,743,583.23 and 31,680,683.71 is: 43,718,183.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,786,738.67 : 79,743,583.23 = 31,680,683.71 : x
  2. Step 2: Convert to fraction form
    57,786,738.67/79,743,583.23 = 31,680,683.71/x
  3. Step 3: Cross multiply
    57,786,738.67x = 79,743,583.23 × 31,680,683.71
  4. Step 4: Simplify right side
    57,786,738.67x = 2,526,331,238,211,690.50
  5. Step 5: Solve for x
    x = 2,526,331,238,211,690.50/57,786,738.67
  6. Step 6: Final answer
    x = 43,718,183.38

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.