Finding the Fourth Proportional to 80,193,385.71, 120,340,680.44 and 34,135,181.19
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Solution
The fourth proportional to 80,193,385.71, 120,340,680.44 and 34,135,181.19 is: 51,224,311.02
Step by Step Solution
- Step 1: Write the proportion equation
80,193,385.71 : 120,340,680.44 = 34,135,181.19 : x - Step 2: Convert to fraction form
80,193,385.71/120,340,680.44 = 34,135,181.19/x - Step 3: Cross multiply
80,193,385.71x = 120,340,680.44 × 34,135,181.19 - Step 4: Simplify right side
80,193,385.71x = 4,107,850,931,176,613 - Step 5: Solve for x
x = 4,107,850,931,176,613/80,193,385.71 - Step 6: Final answer
x = 51,224,311.02
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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.