Finding the Fourth Proportional to 126,253,163.36, 189,434,302.49 and 67,892,629.14
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Solution
The fourth proportional to 126,253,163.36, 189,434,302.49 and 67,892,629.14 is: 101,868,281.97
Step by Step Solution
- Step 1: Write the proportion equation
126,253,163.36 : 189,434,302.49 = 67,892,629.14 : x - Step 2: Convert to fraction form
126,253,163.36/189,434,302.49 = 67,892,629.14/x - Step 3: Cross multiply
126,253,163.36x = 189,434,302.49 × 67,892,629.14 - Step 4: Simplify right side
126,253,163.36x = 12,861,192,845,517,880 - Step 5: Solve for x
x = 12,861,192,845,517,880/126,253,163.36 - Step 6: Final answer
x = 101,868,281.97
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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.