Finding the Fourth Proportional to 196,675,743.40, 295,013,615.10 and 177,192,197.80
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Solution
The fourth proportional to 196,675,743.40, 295,013,615.10 and 177,192,197.80 is: 265,788,296.70
Step by Step Solution
- Step 1: Write the proportion equation
196,675,743.40 : 295,013,615.10 = 177,192,197.80 : x - Step 2: Convert to fraction form
196,675,743.40/295,013,615.10 = 177,192,197.80/x - Step 3: Cross multiply
196,675,743.40x = 295,013,615.10 × 177,192,197.80 - Step 4: Simplify right side
196,675,743.40x = 52,274,110,840,492,272 - Step 5: Solve for x
x = 52,274,110,840,492,272/196,675,743.40 - Step 6: Final answer
x = 265,788,296.70
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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.