Finding the Fourth Proportional to 80,820,349.20, 121,246,270.20 and 32,289,944.40
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Solution
The fourth proportional to 80,820,349.20, 121,246,270.20 and 32,289,944.40 is: 48,441,207.72
Step by Step Solution
- Step 1: Write the proportion equation
80,820,349.20 : 121,246,270.20 = 32,289,944.40 : x - Step 2: Convert to fraction form
80,820,349.20/121,246,270.20 = 32,289,944.40/x - Step 3: Cross multiply
80,820,349.20x = 121,246,270.20 × 32,289,944.40 - Step 4: Simplify right side
80,820,349.20x = 3,915,035,323,465,377 - Step 5: Solve for x
x = 3,915,035,323,465,377/80,820,349.20 - Step 6: Final answer
x = 48,441,207.72
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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.