Finding the Fourth Proportional to 271,231,271.92, 374,296,523.88 and 147,471,947.92
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Solution
The fourth proportional to 271,231,271.92, 374,296,523.88 and 147,471,947.92 is: 203,509,857.42
Step by Step Solution
- Step 1: Write the proportion equation
271,231,271.92 : 374,296,523.88 = 147,471,947.92 : x - Step 2: Convert to fraction form
271,231,271.92/374,296,523.88 = 147,471,947.92/x - Step 3: Cross multiply
271,231,271.92x = 374,296,523.88 × 147,471,947.92 - Step 4: Simplify right side
271,231,271.92x = 55,198,237,476,268,392 - Step 5: Solve for x
x = 55,198,237,476,268,392/271,231,271.92 - Step 6: Final answer
x = 203,509,857.42
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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.