Finding the Fourth Proportional to 80,641,101.80, 120,961,652.70 and 44,361,396.20
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Solution
The fourth proportional to 80,641,101.80, 120,961,652.70 and 44,361,396.20 is: 66,542,094.30
Step by Step Solution
- Step 1: Write the proportion equation
80,641,101.80 : 120,961,652.70 = 44,361,396.20 : x - Step 2: Convert to fraction form
80,641,101.80/120,961,652.70 = 44,361,396.20/x - Step 3: Cross multiply
80,641,101.80x = 120,961,652.70 × 44,361,396.20 - Step 4: Simplify right side
80,641,101.80x = 5,366,027,800,431,500 - Step 5: Solve for x
x = 5,366,027,800,431,500/80,641,101.80 - Step 6: Final answer
x = 66,542,094.30
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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.