Finding the Fourth Proportional to 193,542,446.20, 289,915,538.10 and 97,858,247.80
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Solution
The fourth proportional to 193,542,446.20, 289,915,538.10 and 97,858,247.80 is: 146,586,070.01
Step by Step Solution
- Step 1: Write the proportion equation
193,542,446.20 : 289,915,538.10 = 97,858,247.80 : x - Step 2: Convert to fraction form
193,542,446.20/289,915,538.10 = 97,858,247.80/x - Step 3: Cross multiply
193,542,446.20x = 289,915,538.10 × 97,858,247.80 - Step 4: Simplify right side
193,542,446.20x = 28,370,626,568,460,144 - Step 5: Solve for x
x = 28,370,626,568,460,144/193,542,446.20 - Step 6: Final answer
x = 146,586,070.01
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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.