Finding the Fourth Proportional to 146,903,947.99, 202,729,057.26 and 79,923,286.86
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Solution
The fourth proportional to 146,903,947.99, 202,729,057.26 and 79,923,286.86 is: 110,295,011.26
Step by Step Solution
- Step 1: Write the proportion equation
146,903,947.99 : 202,729,057.26 = 79,923,286.86 : x - Step 2: Convert to fraction form
146,903,947.99/202,729,057.26 = 79,923,286.86/x - Step 3: Cross multiply
146,903,947.99x = 202,729,057.26 × 79,923,286.86 - Step 4: Simplify right side
146,903,947.99x = 16,202,772,596,835,084 - Step 5: Solve for x
x = 16,202,772,596,835,084/146,903,947.99 - Step 6: Final answer
x = 110,295,011.26
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.