Finding the Fourth Proportional to 269,247,724.72, 371,591,383.97 and 156,242,110.48
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Solution
The fourth proportional to 269,247,724.72, 371,591,383.97 and 156,242,110.48 is: 215,631,244.90
Step by Step Solution
- Step 1: Write the proportion equation
269,247,724.72 : 371,591,383.97 = 156,242,110.48 : x - Step 2: Convert to fraction form
269,247,724.72/371,591,383.97 = 156,242,110.48/x - Step 3: Cross multiply
269,247,724.72x = 371,591,383.97 × 156,242,110.48 - Step 4: Simplify right side
269,247,724.72x = 58,058,222,066,875,624 - Step 5: Solve for x
x = 58,058,222,066,875,624/269,247,724.72 - Step 6: Final answer
x = 215,631,244.90
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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.