Finding the Fourth Proportional to 87,880,957.36, 131,729,159.56 and 29,568,392.20
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Solution
The fourth proportional to 87,880,957.36, 131,729,159.56 and 29,568,392.20 is: 44,321,540.99
Step by Step Solution
- Step 1: Write the proportion equation
87,880,957.36 : 131,729,159.56 = 29,568,392.20 : x - Step 2: Convert to fraction form
87,880,957.36/131,729,159.56 = 29,568,392.20/x - Step 3: Cross multiply
87,880,957.36x = 131,729,159.56 × 29,568,392.20 - Step 4: Simplify right side
87,880,957.36x = 3,895,019,454,046,459.50 - Step 5: Solve for x
x = 3,895,019,454,046,459.50/87,880,957.36 - Step 6: Final answer
x = 44,321,540.99
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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.