Finding the Fourth Proportional to 129,336,330.28, 193,932,717.96 and 43,027,621.84
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Solution
The fourth proportional to 129,336,330.28, 193,932,717.96 and 43,027,621.84 is: 64,517,553.83
Step by Step Solution
- Step 1: Write the proportion equation
129,336,330.28 : 193,932,717.96 = 43,027,621.84 : x - Step 2: Convert to fraction form
129,336,330.28/193,932,717.96 = 43,027,621.84/x - Step 3: Cross multiply
129,336,330.28x = 193,932,717.96 × 43,027,621.84 - Step 4: Simplify right side
129,336,330.28x = 8,344,463,650,786,257 - Step 5: Solve for x
x = 8,344,463,650,786,257/129,336,330.28 - Step 6: Final answer
x = 64,517,553.83
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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.