Finding the Fourth Proportional to 271,115,272.80, 374,142,864.24 and 147,355,912.80
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Solution
The fourth proportional to 271,115,272.80, 374,142,864.24 and 147,355,912.80 is: 203,353,218.39
Step by Step Solution
- Step 1: Write the proportion equation
271,115,272.80 : 374,142,864.24 = 147,355,912.80 : x - Step 2: Convert to fraction form
271,115,272.80/374,142,864.24 = 147,355,912.80/x - Step 3: Cross multiply
271,115,272.80x = 374,142,864.24 × 147,355,912.80 - Step 4: Simplify right side
271,115,272.80x = 55,132,163,277,691,688 - Step 5: Solve for x
x = 55,132,163,277,691,688/271,115,272.80 - Step 6: Final answer
x = 203,353,218.39
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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.