Finding the Fourth Proportional to 271,149,094.86, 374,185,991.97 and 147,389,771.94
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Solution
The fourth proportional to 271,149,094.86, 374,185,991.97 and 147,389,771.94 is: 203,398,016.31
Step by Step Solution
- Step 1: Write the proportion equation
271,149,094.86 : 374,185,991.97 = 147,389,771.94 : x - Step 2: Convert to fraction form
271,149,094.86/374,185,991.97 = 147,389,771.94/x - Step 3: Cross multiply
271,149,094.86x = 374,185,991.97 × 147,389,771.94 - Step 4: Simplify right side
271,149,094.86x = 55,151,188,019,600,976 - Step 5: Solve for x
x = 55,151,188,019,600,976/271,149,094.86 - Step 6: Final answer
x = 203,398,016.31
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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.