Finding the Fourth Proportional to 75,181,540.80, 112,772,311.20 and 44,948,452.80
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Solution
The fourth proportional to 75,181,540.80, 112,772,311.20 and 44,948,452.80 is: 67,422,679.20
Step by Step Solution
- Step 1: Write the proportion equation
75,181,540.80 : 112,772,311.20 = 44,948,452.80 : x - Step 2: Convert to fraction form
75,181,540.80/112,772,311.20 = 44,948,452.80/x - Step 3: Cross multiply
75,181,540.80x = 112,772,311.20 × 44,948,452.80 - Step 4: Simplify right side
75,181,540.80x = 5,068,940,907,120,111 - Step 5: Solve for x
x = 5,068,940,907,120,111/75,181,540.80 - Step 6: Final answer
x = 67,422,679.20
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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.