Finding the Fourth Proportional to 194,546,759.82, 268,448,014.05 and 116,213,685.09
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Solution
The fourth proportional to 194,546,759.82, 268,448,014.05 and 116,213,685.09 is: 160,359,046.83
Step by Step Solution
- Step 1: Write the proportion equation
194,546,759.82 : 268,448,014.05 = 116,213,685.09 : x - Step 2: Convert to fraction form
194,546,759.82/268,448,014.05 = 116,213,685.09/x - Step 3: Cross multiply
194,546,759.82x = 268,448,014.05 × 116,213,685.09 - Step 4: Simplify right side
194,546,759.82x = 31,197,332,967,842,596 - Step 5: Solve for x
x = 31,197,332,967,842,596/194,546,759.82 - Step 6: Final answer
x = 160,359,046.83
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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.