Finding the Fourth Proportional to 81,858,452.92, 112,953,944.42 and 48,822,579.24
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Solution
The fourth proportional to 81,858,452.92, 112,953,944.42 and 48,822,579.24 is: 67,368,765.29
Step by Step Solution
- Step 1: Write the proportion equation
81,858,452.92 : 112,953,944.42 = 48,822,579.24 : x - Step 2: Convert to fraction form
81,858,452.92/112,953,944.42 = 48,822,579.24/x - Step 3: Cross multiply
81,858,452.92x = 112,953,944.42 × 48,822,579.24 - Step 4: Simplify right side
81,858,452.92x = 5,514,702,901,916,006 - Step 5: Solve for x
x = 5,514,702,901,916,006/81,858,452.92 - Step 6: Final answer
x = 67,368,765.29
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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.