Finding the Fourth Proportional to 194,186,068.06, 268,040,635.81 and 154,566,274.21
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Solution
The fourth proportional to 194,186,068.06, 268,040,635.81 and 154,566,274.21 is: 213,352,290.55
Step by Step Solution
- Step 1: Write the proportion equation
194,186,068.06 : 268,040,635.81 = 154,566,274.21 : x - Step 2: Convert to fraction form
194,186,068.06/268,040,635.81 = 154,566,274.21/x - Step 3: Cross multiply
194,186,068.06x = 268,040,635.81 × 154,566,274.21 - Step 4: Simplify right side
194,186,068.06x = 41,430,042,414,031,208 - Step 5: Solve for x
x = 41,430,042,414,031,208/194,186,068.06 - Step 6: Final answer
x = 213,352,290.55
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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.