Finding the Fourth Proportional to 232,177,142.64, 320,394,850.65 and 126,330,993.62
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Solution
The fourth proportional to 232,177,142.64, 320,394,850.65 and 126,330,993.62 is: 174,331,544.32
Step by Step Solution
- Step 1: Write the proportion equation
232,177,142.64 : 320,394,850.65 = 126,330,993.62 : x - Step 2: Convert to fraction form
232,177,142.64/320,394,850.65 = 126,330,993.62/x - Step 3: Cross multiply
232,177,142.64x = 320,394,850.65 × 126,330,993.62 - Step 4: Simplify right side
232,177,142.64x = 40,475,799,831,744,024 - Step 5: Solve for x
x = 40,475,799,831,744,024/232,177,142.64 - Step 6: Final answer
x = 174,331,544.32
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1.5x scale
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.