Finding the Fourth Proportional to 94,203,230.12, 129,981,399.64 and 55,037,442.68
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Solution
The fourth proportional to 94,203,230.12, 129,981,399.64 and 55,037,442.68 is: 75,940,536.47
Step by Step Solution
- Step 1: Write the proportion equation
94,203,230.12 : 129,981,399.64 = 55,037,442.68 : x - Step 2: Convert to fraction form
94,203,230.12/129,981,399.64 = 55,037,442.68/x - Step 3: Cross multiply
94,203,230.12x = 129,981,399.64 × 55,037,442.68 - Step 4: Simplify right side
94,203,230.12x = 7,153,843,832,152,673 - Step 5: Solve for x
x = 7,153,843,832,152,673/94,203,230.12 - Step 6: Final answer
x = 75,940,536.47
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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.