Finding the Fourth Proportional to 207,666,560.08, 311,280,174.84 and 78,218,162
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Solution
The fourth proportional to 207,666,560.08, 311,280,174.84 and 78,218,162 is: 117,244,505.49
Step by Step Solution
- Step 1: Write the proportion equation
207,666,560.08 : 311,280,174.84 = 78,218,162 : x - Step 2: Convert to fraction form
207,666,560.08/311,280,174.84 = 78,218,162/x - Step 3: Cross multiply
207,666,560.08x = 311,280,174.84 × 78,218,162 - Step 4: Simplify right side
207,666,560.08x = 24,347,763,143,023,444 - Step 5: Solve for x
x = 24,347,763,143,023,444/207,666,560.08 - Step 6: Final answer
x = 117,244,505.49
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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.