Finding the Fourth Proportional to 199,744,163.20, 299,616,244.80 and 154,394,531.20
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Solution
The fourth proportional to 199,744,163.20, 299,616,244.80 and 154,394,531.20 is: 231,591,796.80
Step by Step Solution
- Step 1: Write the proportion equation
199,744,163.20 : 299,616,244.80 = 154,394,531.20 : x - Step 2: Convert to fraction form
199,744,163.20/299,616,244.80 = 154,394,531.20/x - Step 3: Cross multiply
199,744,163.20x = 299,616,244.80 × 154,394,531.20 - Step 4: Simplify right side
199,744,163.20x = 46,259,109,655,800,440 - Step 5: Solve for x
x = 46,259,109,655,800,440/199,744,163.20 - Step 6: Final answer
x = 231,591,796.80
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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.