Finding the Fourth Proportional to 132,101,137.40, 198,073,207.68 and 50,226,008.84
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Solution
The fourth proportional to 132,101,137.40, 198,073,207.68 and 50,226,008.84 is: 75,309,167.47
Step by Step Solution
- Step 1: Write the proportion equation
132,101,137.40 : 198,073,207.68 = 50,226,008.84 : x - Step 2: Convert to fraction form
132,101,137.40/198,073,207.68 = 50,226,008.84/x - Step 3: Cross multiply
132,101,137.40x = 198,073,207.68 × 50,226,008.84 - Step 4: Simplify right side
132,101,137.40x = 9,948,426,679,902,836 - Step 5: Solve for x
x = 9,948,426,679,902,836/132,101,137.40 - Step 6: Final answer
x = 75,309,167.47
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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.