Finding the Fourth Proportional to 97,635,442.45, 146,453,170.97 and 76,086,173.29
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Solution
The fourth proportional to 97,635,442.45, 146,453,170.97 and 76,086,173.29 is: 114,129,265.62
Step by Step Solution
- Step 1: Write the proportion equation
97,635,442.45 : 146,453,170.97 = 76,086,173.29 : x - Step 2: Convert to fraction form
97,635,442.45/146,453,170.97 = 76,086,173.29/x - Step 3: Cross multiply
97,635,442.45x = 146,453,170.97 × 76,086,173.29 - Step 4: Simplify right side
97,635,442.45x = 11,143,061,345,293,418 - Step 5: Solve for x
x = 11,143,061,345,293,418/97,635,442.45 - Step 6: Final answer
x = 114,129,265.62
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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.