Finding the Fourth Proportional to 87,614,537.80, 131,421,806.70 and 73,743,927.70
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Solution
The fourth proportional to 87,614,537.80, 131,421,806.70 and 73,743,927.70 is: 110,615,891.55
Step by Step Solution
- Step 1: Write the proportion equation
87,614,537.80 : 131,421,806.70 = 73,743,927.70 : x - Step 2: Convert to fraction form
87,614,537.80/131,421,806.70 = 73,743,927.70/x - Step 3: Cross multiply
87,614,537.80x = 131,421,806.70 × 73,743,927.70 - Step 4: Simplify right side
87,614,537.80x = 9,691,560,211,488,176 - Step 5: Solve for x
x = 9,691,560,211,488,176/87,614,537.80 - Step 6: Final answer
x = 110,615,891.55
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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.