Finding the Fourth Proportional to 50,120,421.74, 69,162,701.28 and 27,794,559.44
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Solution
The fourth proportional to 50,120,421.74, 69,162,701.28 and 27,794,559.44 is: 38,354,561.78
Step by Step Solution
- Step 1: Write the proportion equation
50,120,421.74 : 69,162,701.28 = 27,794,559.44 : x - Step 2: Convert to fraction form
50,120,421.74/69,162,701.28 = 27,794,559.44/x - Step 3: Cross multiply
50,120,421.74x = 69,162,701.28 × 27,794,559.44 - Step 4: Simplify right side
50,120,421.74x = 1,922,346,811,826,601.25 - Step 5: Solve for x
x = 1,922,346,811,826,601.25/50,120,421.74 - Step 6: Final answer
x = 38,354,561.78
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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.