Finding the Fourth Proportional to 84,244,220.40, 126,366,330.60 and 33,127,906.80
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Solution
The fourth proportional to 84,244,220.40, 126,366,330.60 and 33,127,906.80 is: 49,691,860.20
Step by Step Solution
- Step 1: Write the proportion equation
84,244,220.40 : 126,366,330.60 = 33,127,906.80 : x - Step 2: Convert to fraction form
84,244,220.40/126,366,330.60 = 33,127,906.80/x - Step 3: Cross multiply
84,244,220.40x = 126,366,330.60 × 33,127,906.80 - Step 4: Simplify right side
84,244,220.40x = 4,186,252,022,774,788 - Step 5: Solve for x
x = 4,186,252,022,774,788/84,244,220.40 - Step 6: Final answer
x = 49,691,860.20
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1.5x scale
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.