Finding the Fourth Proportional to 80,827,793.70, 121,241,690.55 and 39,906,836.70
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Solution
The fourth proportional to 80,827,793.70, 121,241,690.55 and 39,906,836.70 is: 59,860,255.05
Step by Step Solution
- Step 1: Write the proportion equation
80,827,793.70 : 121,241,690.55 = 39,906,836.70 : x - Step 2: Convert to fraction form
80,827,793.70/121,241,690.55 = 39,906,836.70/x - Step 3: Cross multiply
80,827,793.70x = 121,241,690.55 × 39,906,836.70 - Step 4: Simplify right side
80,827,793.70x = 4,838,372,346,010,783 - Step 5: Solve for x
x = 4,838,372,346,010,783/80,827,793.70 - Step 6: Final answer
x = 59,860,255.05
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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.