Finding the Fourth Proportional to 97,635,443.70, 146,453,172.84 and 76,086,174.54
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Solution
The fourth proportional to 97,635,443.70, 146,453,172.84 and 76,086,174.54 is: 114,129,267.49
Step by Step Solution
- Step 1: Write the proportion equation
97,635,443.70 : 146,453,172.84 = 76,086,174.54 : x - Step 2: Convert to fraction form
97,635,443.70/146,453,172.84 = 76,086,174.54/x - Step 3: Cross multiply
97,635,443.70x = 146,453,172.84 × 76,086,174.54 - Step 4: Simplify right side
97,635,443.70x = 11,143,061,670,641,028 - Step 5: Solve for x
x = 11,143,061,670,641,028/97,635,443.70 - Step 6: Final answer
x = 114,129,267.49
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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.