Finding the Fourth Proportional to 222,209,597.47, 306,755,578.20 and 147,993,664.99
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Solution
The fourth proportional to 222,209,597.47, 306,755,578.20 and 147,993,664.99 is: 204,302,076.92
Step by Step Solution
- Step 1: Write the proportion equation
222,209,597.47 : 306,755,578.20 = 147,993,664.99 : x - Step 2: Convert to fraction form
222,209,597.47/306,755,578.20 = 147,993,664.99/x - Step 3: Cross multiply
222,209,597.47x = 306,755,578.20 × 147,993,664.99 - Step 4: Simplify right side
222,209,597.47x = 45,397,882,273,944,552 - Step 5: Solve for x
x = 45,397,882,273,944,552/222,209,597.47 - Step 6: Final answer
x = 204,302,076.92
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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.