Finding the Fourth Proportional to 196,701,617.16, 271,195,885.62 and 161,288,952.84
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Solution
The fourth proportional to 196,701,617.16, 271,195,885.62 and 161,288,952.84 is: 222,371,839.33
Step by Step Solution
- Step 1: Write the proportion equation
196,701,617.16 : 271,195,885.62 = 161,288,952.84 : x - Step 2: Convert to fraction form
196,701,617.16/271,195,885.62 = 161,288,952.84/x - Step 3: Cross multiply
196,701,617.16x = 271,195,885.62 × 161,288,952.84 - Step 4: Simplify right side
196,701,617.16x = 43,740,900,406,166,216 - Step 5: Solve for x
x = 43,740,900,406,166,216/196,701,617.16 - Step 6: Final answer
x = 222,371,839.33
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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.