Finding the Fourth Proportional to 87,880,959.90, 131,729,163.38 and 29,568,394.74
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Solution
The fourth proportional to 87,880,959.90, 131,729,163.38 and 29,568,394.74 is: 44,321,544.80
Step by Step Solution
- Step 1: Write the proportion equation
87,880,959.90 : 131,729,163.38 = 29,568,394.74 : x - Step 2: Convert to fraction form
87,880,959.90/131,729,163.38 = 29,568,394.74/x - Step 3: Cross multiply
87,880,959.90x = 131,729,163.38 × 29,568,394.74 - Step 4: Simplify right side
87,880,959.90x = 3,895,019,901,589,792.50 - Step 5: Solve for x
x = 3,895,019,901,589,792.50/87,880,959.90 - Step 6: Final answer
x = 44,321,544.80
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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.