Finding the Fourth Proportional to 85,126,457.80, 127,707,619.98 and 27,614,238.28
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Solution
The fourth proportional to 85,126,457.80, 127,707,619.98 and 27,614,238.28 is: 41,427,174.81
Step by Step Solution
- Step 1: Write the proportion equation
85,126,457.80 : 127,707,619.98 = 27,614,238.28 : x - Step 2: Convert to fraction form
85,126,457.80/127,707,619.98 = 27,614,238.28/x - Step 3: Cross multiply
85,126,457.80x = 127,707,619.98 × 27,614,238.28 - Step 4: Simplify right side
85,126,457.80x = 3,526,548,648,299,409 - Step 5: Solve for x
x = 3,526,548,648,299,409/85,126,457.80 - Step 6: Final answer
x = 41,427,174.81
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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.