Finding the Fourth Proportional to 96,568,981.80, 144,853,472.70 and 87,782,490.60
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Solution
The fourth proportional to 96,568,981.80, 144,853,472.70 and 87,782,490.60 is: 131,673,735.90
Step by Step Solution
- Step 1: Write the proportion equation
96,568,981.80 : 144,853,472.70 = 87,782,490.60 : x - Step 2: Convert to fraction form
96,568,981.80/144,853,472.70 = 87,782,490.60/x - Step 3: Cross multiply
96,568,981.80x = 144,853,472.70 × 87,782,490.60 - Step 4: Simplify right side
96,568,981.80x = 12,715,598,605,665,104 - Step 5: Solve for x
x = 12,715,598,605,665,104/96,568,981.80 - Step 6: Final answer
x = 131,673,735.90
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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.