Finding the Fourth Proportional to 209,318,659.92, 314,027,679.60 and 65,711,491.92
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Solution
The fourth proportional to 209,318,659.92, 314,027,679.60 and 65,711,491.92 is: 98,582,836.99
Step by Step Solution
- Step 1: Write the proportion equation
209,318,659.92 : 314,027,679.60 = 65,711,491.92 : x - Step 2: Convert to fraction form
209,318,659.92/314,027,679.60 = 65,711,491.92/x - Step 3: Cross multiply
209,318,659.92x = 314,027,679.60 × 65,711,491.92 - Step 4: Simplify right side
209,318,659.92x = 20,635,227,330,691,752 - Step 5: Solve for x
x = 20,635,227,330,691,752/209,318,659.92 - Step 6: Final answer
x = 98,582,836.99
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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.