Finding the Fourth Proportional to 81,202,252.05, 121,810,535.70 and 22,910,440.65
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Solution
The fourth proportional to 81,202,252.05, 121,810,535.70 and 22,910,440.65 is: 34,367,680.43
Step by Step Solution
- Step 1: Write the proportion equation
81,202,252.05 : 121,810,535.70 = 22,910,440.65 : x - Step 2: Convert to fraction form
81,202,252.05/121,810,535.70 = 22,910,440.65/x - Step 3: Cross multiply
81,202,252.05x = 121,810,535.70 × 22,910,440.65 - Step 4: Simplify right side
81,202,252.05x = 2,790,733,048,699,556 - Step 5: Solve for x
x = 2,790,733,048,699,556/81,202,252.05 - Step 6: Final answer
x = 34,367,680.43
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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.