Finding the Fourth Proportional to 445,107,185.02, 667,189,549.50 and 149,721,104.08
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Solution
The fourth proportional to 445,107,185.02, 667,189,549.50 and 149,721,104.08 is: 224,423,148.72
Step by Step Solution
- Step 1: Write the proportion equation
445,107,185.02 : 667,189,549.50 = 149,721,104.08 : x - Step 2: Convert to fraction form
445,107,185.02/667,189,549.50 = 149,721,104.08/x - Step 3: Cross multiply
445,107,185.02x = 667,189,549.50 × 149,721,104.08 - Step 4: Simplify right side
445,107,185.02x = 99,892,355,981,777,824 - Step 5: Solve for x
x = 99,892,355,981,777,824/445,107,185.02 - Step 6: Final answer
x = 224,423,148.72
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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.