Finding the Fourth Proportional to 71,713,044.06, 107,591,519.34 and 36,722,932.68
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Solution
The fourth proportional to 71,713,044.06, 107,591,519.34 and 36,722,932.68 is: 55,095,640.88
Step by Step Solution
- Step 1: Write the proportion equation
71,713,044.06 : 107,591,519.34 = 36,722,932.68 : x - Step 2: Convert to fraction form
71,713,044.06/107,591,519.34 = 36,722,932.68/x - Step 3: Cross multiply
71,713,044.06x = 107,591,519.34 × 36,722,932.68 - Step 4: Simplify right side
71,713,044.06x = 3,951,076,121,661,738 - Step 5: Solve for x
x = 3,951,076,121,661,738/71,713,044.06 - Step 6: Final answer
x = 55,095,640.88
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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.