Finding the Fourth Proportional to 85,126,456.80, 127,707,618.50 and 27,614,237.28
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Solution
The fourth proportional to 85,126,456.80, 127,707,618.50 and 27,614,237.28 is: 41,427,173.32
Step by Step Solution
- Step 1: Write the proportion equation
85,126,456.80 : 127,707,618.50 = 27,614,237.28 : x - Step 2: Convert to fraction form
85,126,456.80/127,707,618.50 = 27,614,237.28/x - Step 3: Cross multiply
85,126,456.80x = 127,707,618.50 × 27,614,237.28 - Step 4: Simplify right side
85,126,456.80x = 3,526,548,479,722,718 - Step 5: Solve for x
x = 3,526,548,479,722,718/85,126,456.80 - Step 6: Final answer
x = 41,427,173.32
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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.