Finding the Fourth Proportional to 87,954,604.92, 121,378,959.60 and 48,264,183.24
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Solution
The fourth proportional to 87,954,604.92, 121,378,959.60 and 48,264,183.24 is: 66,605,453.49
Step by Step Solution
- Step 1: Write the proportion equation
87,954,604.92 : 121,378,959.60 = 48,264,183.24 : x - Step 2: Convert to fraction form
87,954,604.92/121,378,959.60 = 48,264,183.24/x - Step 3: Cross multiply
87,954,604.92x = 121,378,959.60 × 48,264,183.24 - Step 4: Simplify right side
87,954,604.92x = 5,858,256,347,614,957 - Step 5: Solve for x
x = 5,858,256,347,614,957/87,954,604.92 - Step 6: Final answer
x = 66,605,453.49
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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.