Finding the Fourth Proportional to 132,732,115.37, 183,160,965.84 and 73,992,182.21
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Solution
The fourth proportional to 132,732,115.37, 183,160,965.84 and 73,992,182.21 is: 102,103,997.37
Step by Step Solution
- Step 1: Write the proportion equation
132,732,115.37 : 183,160,965.84 = 73,992,182.21 : x - Step 2: Convert to fraction form
132,732,115.37/183,160,965.84 = 73,992,182.21/x - Step 3: Cross multiply
132,732,115.37x = 183,160,965.84 × 73,992,182.21 - Step 4: Simplify right side
132,732,115.37x = 13,552,479,558,192,864 - Step 5: Solve for x
x = 13,552,479,558,192,864/132,732,115.37 - Step 6: Final answer
x = 102,103,997.37
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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.