Finding the Fourth Proportional to 49,722,193.43, 68,618,175.90 and 28,532,853.44
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Solution
The fourth proportional to 49,722,193.43, 68,618,175.90 and 28,532,853.44 is: 39,376,226.61
Step by Step Solution
- Step 1: Write the proportion equation
49,722,193.43 : 68,618,175.90 = 28,532,853.44 : x - Step 2: Convert to fraction form
49,722,193.43/68,618,175.90 = 28,532,853.44/x - Step 3: Cross multiply
49,722,193.43x = 68,618,175.90 × 28,532,853.44 - Step 4: Simplify right side
49,722,193.43x = 1,957,872,356,082,069 - Step 5: Solve for x
x = 1,957,872,356,082,069/49,722,193.43 - Step 6: Final answer
x = 39,376,226.61
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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.