Finding the Fourth Proportional to 68,203,835.82, 102,236,805.42 and 29,367,614.70
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Solution
The fourth proportional to 68,203,835.82, 102,236,805.42 and 29,367,614.70 is: 44,021,733.88
Step by Step Solution
- Step 1: Write the proportion equation
68,203,835.82 : 102,236,805.42 = 29,367,614.70 : x - Step 2: Convert to fraction form
68,203,835.82/102,236,805.42 = 29,367,614.70/x - Step 3: Cross multiply
68,203,835.82x = 102,236,805.42 × 29,367,614.70 - Step 4: Simplify right side
68,203,835.82x = 3,002,451,109,733,431.50 - Step 5: Solve for x
x = 3,002,451,109,733,431.50/68,203,835.82 - Step 6: Final answer
x = 44,021,733.88
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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.