Finding the Fourth Proportional to 85,115,679.36, 127,691,452.35 and 27,603,466.08
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Solution
The fourth proportional to 85,115,679.36, 127,691,452.35 and 27,603,466.08 is: 41,411,014.99
Step by Step Solution
- Step 1: Write the proportion equation
85,115,679.36 : 127,691,452.35 = 27,603,466.08 : x - Step 2: Convert to fraction form
85,115,679.36/127,691,452.35 = 27,603,466.08/x - Step 3: Cross multiply
85,115,679.36x = 127,691,452.35 × 27,603,466.08 - Step 4: Simplify right side
85,115,679.36x = 3,524,726,673,649,161 - Step 5: Solve for x
x = 3,524,726,673,649,161/85,115,679.36 - Step 6: Final answer
x = 41,411,014.99
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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.