Finding the Fourth Proportional to 198,949,037.29, 274,552,674.12 and 114,190,176.50
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Solution
The fourth proportional to 198,949,037.29, 274,552,674.12 and 114,190,176.50 is: 157,584,167.00
Step by Step Solution
- Step 1: Write the proportion equation
198,949,037.29 : 274,552,674.12 = 114,190,176.50 : x - Step 2: Convert to fraction form
198,949,037.29/274,552,674.12 = 114,190,176.50/x - Step 3: Cross multiply
198,949,037.29x = 274,552,674.12 × 114,190,176.50 - Step 4: Simplify right side
198,949,037.29x = 31,351,218,315,966,592 - Step 5: Solve for x
x = 31,351,218,315,966,592/198,949,037.29 - Step 6: Final answer
x = 157,584,167.00
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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.