Finding the Fourth Proportional to 81,935,843.91, 122,823,883.41 and 32,737,029.03
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Solution
The fourth proportional to 81,935,843.91, 122,823,883.41 and 32,737,029.03 is: 49,073,626.94
Step by Step Solution
- Step 1: Write the proportion equation
81,935,843.91 : 122,823,883.41 = 32,737,029.03 : x - Step 2: Convert to fraction form
81,935,843.91/122,823,883.41 = 32,737,029.03/x - Step 3: Cross multiply
81,935,843.91x = 122,823,883.41 × 32,737,029.03 - Step 4: Simplify right side
81,935,843.91x = 4,020,889,036,647,741.50 - Step 5: Solve for x
x = 4,020,889,036,647,741.50/81,935,843.91 - Step 6: Final answer
x = 49,073,626.94
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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.