Finding the Fourth Proportional to 49,524,859.76, 68,343,348.48 and 27,497,220.80
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Solution
The fourth proportional to 49,524,859.76, 68,343,348.48 and 27,497,220.80 is: 37,945,632.81
Step by Step Solution
- Step 1: Write the proportion equation
49,524,859.76 : 68,343,348.48 = 27,497,220.80 : x - Step 2: Convert to fraction form
49,524,859.76/68,343,348.48 = 27,497,220.80/x - Step 3: Cross multiply
49,524,859.76x = 68,343,348.48 × 27,497,220.80 - Step 4: Simplify right side
49,524,859.76x = 1,879,252,143,365,904.50 - Step 5: Solve for x
x = 1,879,252,143,365,904.50/49,524,859.76 - Step 6: Final answer
x = 37,945,632.81
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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.