Finding the Fourth Proportional to 154,879,092.18, 213,745,640.13 and 88,805,737.76
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Solution
The fourth proportional to 154,879,092.18, 213,745,640.13 and 88,805,737.76 is: 122,559,081.39
Step by Step Solution
- Step 1: Write the proportion equation
154,879,092.18 : 213,745,640.13 = 88,805,737.76 : x - Step 2: Convert to fraction form
154,879,092.18/213,745,640.13 = 88,805,737.76/x - Step 3: Cross multiply
154,879,092.18x = 213,745,640.13 × 88,805,737.76 - Step 4: Simplify right side
154,879,092.18x = 18,981,839,263,659,384 - Step 5: Solve for x
x = 18,981,839,263,659,384/154,879,092.18 - Step 6: Final answer
x = 122,559,081.39
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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.