Finding the Fourth Proportional to 198,581,742.05, 274,045,283.31 and 109,283,959.97
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Solution
The fourth proportional to 198,581,742.05, 274,045,283.31 and 109,283,959.97 is: 150,813,229.16
Step by Step Solution
- Step 1: Write the proportion equation
198,581,742.05 : 274,045,283.31 = 109,283,959.97 : x - Step 2: Convert to fraction form
198,581,742.05/274,045,283.31 = 109,283,959.97/x - Step 3: Cross multiply
198,581,742.05x = 274,045,283.31 × 109,283,959.97 - Step 4: Simplify right side
198,581,742.05x = 29,948,753,771,217,348 - Step 5: Solve for x
x = 29,948,753,771,217,348/198,581,742.05 - Step 6: Final answer
x = 150,813,229.16
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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.