Finding the Fourth Proportional to 196,691,107.84, 271,426,618.82 and 108,583,217.41
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Solution
The fourth proportional to 196,691,107.84, 271,426,618.82 and 108,583,217.41 is: 149,840,914.95
Step by Step Solution
- Step 1: Write the proportion equation
196,691,107.84 : 271,426,618.82 = 108,583,217.41 : x - Step 2: Convert to fraction form
196,691,107.84/271,426,618.82 = 108,583,217.41/x - Step 3: Cross multiply
196,691,107.84x = 271,426,618.82 × 108,583,217.41 - Step 4: Simplify right side
196,691,107.84x = 29,472,375,560,293,208 - Step 5: Solve for x
x = 29,472,375,560,293,208/196,691,107.84 - Step 6: Final answer
x = 149,840,914.95
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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.