Finding the Fourth Proportional to 85,045,517.01, 127,586,880.18 and 27,543,600.81
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Solution
The fourth proportional to 85,045,517.01, 127,586,880.18 and 27,543,600.81 is: 41,321,426.69
Step by Step Solution
- Step 1: Write the proportion equation
85,045,517.01 : 127,586,880.18 = 27,543,600.81 : x - Step 2: Convert to fraction form
85,045,517.01/127,586,880.18 = 27,543,600.81/x - Step 3: Cross multiply
85,045,517.01x = 127,586,880.18 × 27,543,600.81 - Step 4: Simplify right side
85,045,517.01x = 3,514,202,096,271,221 - Step 5: Solve for x
x = 3,514,202,096,271,221/85,045,517.01 - Step 6: Final answer
x = 41,321,426.69
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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.