Finding the Fourth Proportional to 89,551,324,819.12, 123,580,875,164.28 and 48,906,792,718
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Solution
The fourth proportional to 89,551,324,819.12, 123,580,875,164.28 and 48,906,792,718 is: 67,491,399,571.99
Step by Step Solution
- Step 1: Write the proportion equation
89,551,324,819.12 : 123,580,875,164.28 = 48,906,792,718 : x - Step 2: Convert to fraction form
89,551,324,819.12/123,580,875,164.28 = 48,906,792,718/x - Step 3: Cross multiply
89,551,324,819.12x = 123,580,875,164.28 × 48,906,792,718 - Step 4: Simplify right side
89,551,324,819.12x = 6,043,944,245,568,476,282,880 - Step 5: Solve for x
x = 6,043,944,245,568,476,282,880/89,551,324,819.12 - Step 6: Final answer
x = 67,491,399,571.99
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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.