Finding the Fourth Proportional to 100,297,856.80, 150,446,785.20 and 57,251,135.80
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Solution
The fourth proportional to 100,297,856.80, 150,446,785.20 and 57,251,135.80 is: 85,876,703.70
Step by Step Solution
- Step 1: Write the proportion equation
100,297,856.80 : 150,446,785.20 = 57,251,135.80 : x - Step 2: Convert to fraction form
100,297,856.80/150,446,785.20 = 57,251,135.80/x - Step 3: Cross multiply
100,297,856.80x = 150,446,785.20 × 57,251,135.80 - Step 4: Simplify right side
100,297,856.80x = 8,613,249,330,158,629 - Step 5: Solve for x
x = 8,613,249,330,158,629/100,297,856.80 - Step 6: Final answer
x = 85,876,703.70
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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.