Finding the Fourth Proportional to 271,231,005.62, 374,296,157.12 and 147,471,682.75
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Solution
The fourth proportional to 271,231,005.62, 374,296,157.12 and 147,471,682.75 is: 203,509,491.89
Step by Step Solution
- Step 1: Write the proportion equation
271,231,005.62 : 374,296,157.12 = 147,471,682.75 : x - Step 2: Convert to fraction form
271,231,005.62/374,296,157.12 = 147,471,682.75/x - Step 3: Cross multiply
271,231,005.62x = 374,296,157.12 × 147,471,682.75 - Step 4: Simplify right side
271,231,005.62x = 55,198,084,137,344,792 - Step 5: Solve for x
x = 55,198,084,137,344,792/271,231,005.62 - Step 6: Final answer
x = 203,509,491.89
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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.