Finding the Fourth Proportional to 97,448,785.56, 146,124,540.81 and 31,861,379.97
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Solution
The fourth proportional to 97,448,785.56, 146,124,540.81 and 31,861,379.97 is: 47,776,167.67
Step by Step Solution
- Step 1: Write the proportion equation
97,448,785.56 : 146,124,540.81 = 31,861,379.97 : x - Step 2: Convert to fraction form
97,448,785.56/146,124,540.81 = 31,861,379.97/x - Step 3: Cross multiply
97,448,785.56x = 146,124,540.81 × 31,861,379.97 - Step 4: Simplify right side
97,448,785.56x = 4,655,729,517,689,181 - Step 5: Solve for x
x = 4,655,729,517,689,181/97,448,785.56 - Step 6: Final answer
x = 47,776,167.67
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.