Finding the Fourth Proportional to 77,711,996.70, 107,251,959.41 and 44,229,616.53
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Solution
The fourth proportional to 77,711,996.70, 107,251,959.41 and 44,229,616.53 is: 61,042,223.05
Step by Step Solution
- Step 1: Write the proportion equation
77,711,996.70 : 107,251,959.41 = 44,229,616.53 : x - Step 2: Convert to fraction form
77,711,996.70/107,251,959.41 = 44,229,616.53/x - Step 3: Cross multiply
77,711,996.70x = 107,251,959.41 × 44,229,616.53 - Step 4: Simplify right side
77,711,996.70x = 4,743,713,036,574,277 - Step 5: Solve for x
x = 4,743,713,036,574,277/77,711,996.70 - Step 6: Final answer
x = 61,042,223.05
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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.