Finding the Fourth Proportional to 193,846,859.80, 290,770,289.70 and 71,024,939.80
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Solution
The fourth proportional to 193,846,859.80, 290,770,289.70 and 71,024,939.80 is: 106,537,409.70
Step by Step Solution
- Step 1: Write the proportion equation
193,846,859.80 : 290,770,289.70 = 71,024,939.80 : x - Step 2: Convert to fraction form
193,846,859.80/290,770,289.70 = 71,024,939.80/x - Step 3: Cross multiply
193,846,859.80x = 290,770,289.70 × 71,024,939.80 - Step 4: Simplify right side
193,846,859.80x = 20,651,942,321,571,060 - Step 5: Solve for x
x = 20,651,942,321,571,060/193,846,859.80 - Step 6: Final answer
x = 106,537,409.70
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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.