Finding the Fourth Proportional to 225,530,178.19, 338,296,761.96 and 87,371,129.27
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Solution
The fourth proportional to 225,530,178.19, 338,296,761.96 and 87,371,129.27 is: 131,057,272.95
Step by Step Solution
- Step 1: Write the proportion equation
225,530,178.19 : 338,296,761.96 = 87,371,129.27 : x - Step 2: Convert to fraction form
225,530,178.19/338,296,761.96 = 87,371,129.27/x - Step 3: Cross multiply
225,530,178.19x = 338,296,761.96 × 87,371,129.27 - Step 4: Simplify right side
225,530,178.19x = 29,557,370,121,347,676 - Step 5: Solve for x
x = 29,557,370,121,347,676/225,530,178.19 - Step 6: Final answer
x = 131,057,272.95
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.