Finding the Fourth Proportional to 48,815,704.80, 67,360,767.84 and 29,236,091.76
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Solution
The fourth proportional to 48,815,704.80, 67,360,767.84 and 29,236,091.76 is: 40,342,869.12
Step by Step Solution
- Step 1: Write the proportion equation
48,815,704.80 : 67,360,767.84 = 29,236,091.76 : x - Step 2: Convert to fraction form
48,815,704.80/67,360,767.84 = 29,236,091.76/x - Step 3: Cross multiply
48,815,704.80x = 67,360,767.84 × 29,236,091.76 - Step 4: Simplify right side
48,815,704.80x = 1,969,365,589,594,297.25 - Step 5: Solve for x
x = 1,969,365,589,594,297.25/48,815,704.80 - Step 6: Final answer
x = 40,342,869.12
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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.