Finding the Fourth Proportional to 53,953,441.20, 80,930,161.80 and 48,284,737.20
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Solution
The fourth proportional to 53,953,441.20, 80,930,161.80 and 48,284,737.20 is: 72,427,105.80
Step by Step Solution
- Step 1: Write the proportion equation
53,953,441.20 : 80,930,161.80 = 48,284,737.20 : x - Step 2: Convert to fraction form
53,953,441.20/80,930,161.80 = 48,284,737.20/x - Step 3: Cross multiply
53,953,441.20x = 80,930,161.80 × 48,284,737.20 - Step 4: Simplify right side
53,953,441.20x = 3,907,691,594,066,479 - Step 5: Solve for x
x = 3,907,691,594,066,479/53,953,441.20 - Step 6: Final answer
x = 72,427,105.80
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1.5x scale
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.