Finding the Fourth Proportional to 117,877,450.80, 176,816,176.20 and 60,481,822.80
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Solution
The fourth proportional to 117,877,450.80, 176,816,176.20 and 60,481,822.80 is: 90,722,734.20
Step by Step Solution
- Step 1: Write the proportion equation
117,877,450.80 : 176,816,176.20 = 60,481,822.80 : x - Step 2: Convert to fraction form
117,877,450.80/176,816,176.20 = 60,481,822.80/x - Step 3: Cross multiply
117,877,450.80x = 176,816,176.20 × 60,481,822.80 - Step 4: Simplify right side
117,877,450.80x = 10,694,164,637,101,976 - Step 5: Solve for x
x = 10,694,164,637,101,976/117,877,450.80 - Step 6: Final answer
x = 90,722,734.20
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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.