Finding the Fourth Proportional to 53,919,707.20, 80,879,560.80 and 33,512,372.80
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Solution
The fourth proportional to 53,919,707.20, 80,879,560.80 and 33,512,372.80 is: 50,268,559.20
Step by Step Solution
- Step 1: Write the proportion equation
53,919,707.20 : 80,879,560.80 = 33,512,372.80 : x - Step 2: Convert to fraction form
53,919,707.20/80,879,560.80 = 33,512,372.80/x - Step 3: Cross multiply
53,919,707.20x = 80,879,560.80 × 33,512,372.80 - Step 4: Simplify right side
53,919,707.20x = 2,710,465,993,429,866 - Step 5: Solve for x
x = 2,710,465,993,429,866/53,919,707.20 - Step 6: Final answer
x = 50,268,559.20
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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.