Finding the Fourth Proportional to 144,846,297.70, 217,269,446.55 and 68,318,793.70
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Solution
The fourth proportional to 144,846,297.70, 217,269,446.55 and 68,318,793.70 is: 102,478,190.55
Step by Step Solution
- Step 1: Write the proportion equation
144,846,297.70 : 217,269,446.55 = 68,318,793.70 : x - Step 2: Convert to fraction form
144,846,297.70/217,269,446.55 = 68,318,793.70/x - Step 3: Cross multiply
144,846,297.70x = 217,269,446.55 × 68,318,793.70 - Step 4: Simplify right side
144,846,297.70x = 14,843,586,496,162,628 - Step 5: Solve for x
x = 14,843,586,496,162,628/144,846,297.70 - Step 6: Final answer
x = 102,478,190.55
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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.