Finding the Fourth Proportional to 215,619,372.77, 323,299,520.36 and 84,305,203.97
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Solution
The fourth proportional to 215,619,372.77, 323,299,520.36 and 84,305,203.97 is: 126,407,157.47
Step by Step Solution
- Step 1: Write the proportion equation
215,619,372.77 : 323,299,520.36 = 84,305,203.97 : x - Step 2: Convert to fraction form
215,619,372.77/323,299,520.36 = 84,305,203.97/x - Step 3: Cross multiply
215,619,372.77x = 323,299,520.36 × 84,305,203.97 - Step 4: Simplify right side
215,619,372.77x = 27,255,832,005,631,088 - Step 5: Solve for x
x = 27,255,832,005,631,088/215,619,372.77 - Step 6: Final answer
x = 126,407,157.47
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.