Finding the Fourth Proportional to 151,727,357.28, 209,381,524.71 and 84,747,292.88
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Solution
The fourth proportional to 151,727,357.28, 209,381,524.71 and 84,747,292.88 is: 116,950,019.54
Step by Step Solution
- Step 1: Write the proportion equation
151,727,357.28 : 209,381,524.71 = 84,747,292.88 : x - Step 2: Convert to fraction form
151,727,357.28/209,381,524.71 = 84,747,292.88/x - Step 3: Cross multiply
151,727,357.28x = 209,381,524.71 × 84,747,292.88 - Step 4: Simplify right side
151,727,357.28x = 17,744,517,399,052,390 - Step 5: Solve for x
x = 17,744,517,399,052,390/151,727,357.28 - Step 6: Final answer
x = 116,950,019.54
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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.