Finding the Fourth Proportional to 120,964,286.20, 181,446,429.30 and 44,289,815.80
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Solution
The fourth proportional to 120,964,286.20, 181,446,429.30 and 44,289,815.80 is: 66,434,723.70
Step by Step Solution
- Step 1: Write the proportion equation
120,964,286.20 : 181,446,429.30 = 44,289,815.80 : x - Step 2: Convert to fraction form
120,964,286.20/181,446,429.30 = 44,289,815.80/x - Step 3: Cross multiply
120,964,286.20x = 181,446,429.30 × 44,289,815.80 - Step 4: Simplify right side
120,964,286.20x = 8,036,228,931,264,723 - Step 5: Solve for x
x = 8,036,228,931,264,723/120,964,286.20 - Step 6: Final answer
x = 66,434,723.70
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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.