Finding the Fourth Proportional to 71,552,528.70, 107,382,213.95 and 53,150,965.81
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Solution
The fourth proportional to 71,552,528.70, 107,382,213.95 and 53,150,965.81 is: 79,766,131.06
Step by Step Solution
- Step 1: Write the proportion equation
71,552,528.70 : 107,382,213.95 = 53,150,965.81 : x - Step 2: Convert to fraction form
71,552,528.70/107,382,213.95 = 53,150,965.81/x - Step 3: Cross multiply
71,552,528.70x = 107,382,213.95 × 53,150,965.81 - Step 4: Simplify right side
71,552,528.70x = 5,707,468,382,328,369 - Step 5: Solve for x
x = 5,707,468,382,328,369/71,552,528.70 - Step 6: Final answer
x = 79,766,131.06
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.