Finding the Fourth Proportional to 80,840,246.40, 121,260,369.60 and 29,715,622.20
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Solution
The fourth proportional to 80,840,246.40, 121,260,369.60 and 29,715,622.20 is: 44,573,433.30
Step by Step Solution
- Step 1: Write the proportion equation
80,840,246.40 : 121,260,369.60 = 29,715,622.20 : x - Step 2: Convert to fraction form
80,840,246.40/121,260,369.60 = 29,715,622.20/x - Step 3: Cross multiply
80,840,246.40x = 121,260,369.60 × 29,715,622.20 - Step 4: Simplify right side
80,840,246.40x = 3,603,327,330,865,965 - Step 5: Solve for x
x = 3,603,327,330,865,965/80,840,246.40 - Step 6: Final answer
x = 44,573,433.30
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1.5x scale
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.