Finding the Fourth Proportional to 116,944,260.80, 161,383,082.99 and 64,733,296.46
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Solution
The fourth proportional to 116,944,260.80, 161,383,082.99 and 64,733,296.46 is: 89,331,950.82
Step by Step Solution
- Step 1: Write the proportion equation
116,944,260.80 : 161,383,082.99 = 64,733,296.46 : x - Step 2: Convert to fraction form
116,944,260.80/161,383,082.99 = 64,733,296.46/x - Step 3: Cross multiply
116,944,260.80x = 161,383,082.99 × 64,733,296.46 - Step 4: Simplify right side
116,944,260.80x = 10,446,858,953,689,872 - Step 5: Solve for x
x = 10,446,858,953,689,872/116,944,260.80 - Step 6: Final answer
x = 89,331,950.82
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.