Finding the Fourth Proportional to 198,531,711.06, 273,969,832.21 and 110,423,812.42
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Solution
The fourth proportional to 198,531,711.06, 273,969,832.21 and 110,423,812.42 is: 152,382,675.79
Step by Step Solution
- Step 1: Write the proportion equation
198,531,711.06 : 273,969,832.21 = 110,423,812.42 : x - Step 2: Convert to fraction form
198,531,711.06/273,969,832.21 = 110,423,812.42/x - Step 3: Cross multiply
198,531,711.06x = 273,969,832.21 × 110,423,812.42 - Step 4: Simplify right side
198,531,711.06x = 30,252,793,360,695,912 - Step 5: Solve for x
x = 30,252,793,360,695,912/198,531,711.06 - Step 6: Final answer
x = 152,382,675.79
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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.