Finding the Fourth Proportional to 91,700,521.63, 126,728,286.68 and 75,154,548.96
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Solution
The fourth proportional to 91,700,521.63, 126,728,286.68 and 75,154,548.96 is: 103,862,083.41
Step by Step Solution
- Step 1: Write the proportion equation
91,700,521.63 : 126,728,286.68 = 75,154,548.96 : x - Step 2: Convert to fraction form
91,700,521.63/126,728,286.68 = 75,154,548.96/x - Step 3: Cross multiply
91,700,521.63x = 126,728,286.68 × 75,154,548.96 - Step 4: Simplify right side
91,700,521.63x = 9,524,207,225,908,976 - Step 5: Solve for x
x = 9,524,207,225,908,976/91,700,521.63 - Step 6: Final answer
x = 103,862,083.41
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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.