Finding the Fourth Proportional to 198,492,283.94, 297,752,646.68 and 52,925,082.80
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Solution
The fourth proportional to 198,492,283.94, 297,752,646.68 and 52,925,082.80 is: 79,391,415.96
Step by Step Solution
- Step 1: Write the proportion equation
198,492,283.94 : 297,752,646.68 = 52,925,082.80 : x - Step 2: Convert to fraction form
198,492,283.94/297,752,646.68 = 52,925,082.80/x - Step 3: Cross multiply
198,492,283.94x = 297,752,646.68 × 52,925,082.80 - Step 4: Simplify right side
198,492,283.94x = 15,758,583,479,458,144 - Step 5: Solve for x
x = 15,758,583,479,458,144/198,492,283.94 - Step 6: Final answer
x = 79,391,415.96
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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.