Finding the Fourth Proportional to 198,945,053.37, 274,537,737.99 and 114,186,124.85
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Solution
The fourth proportional to 198,945,053.37, 274,537,737.99 and 114,186,124.85 is: 157,573,158.49
Step by Step Solution
- Step 1: Write the proportion equation
198,945,053.37 : 274,537,737.99 = 114,186,124.85 : x - Step 2: Convert to fraction form
198,945,053.37/274,537,737.99 = 114,186,124.85/x - Step 3: Cross multiply
198,945,053.37x = 274,537,737.99 × 114,186,124.85 - Step 4: Simplify right side
198,945,053.37x = 31,348,400,424,790,040 - Step 5: Solve for x
x = 31,348,400,424,790,040/198,945,053.37 - Step 6: Final answer
x = 157,573,158.49
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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.