Finding the Fourth Proportional to 360,946,136.20, 541,419,204.30 and 167,235,891.70
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Solution
The fourth proportional to 360,946,136.20, 541,419,204.30 and 167,235,891.70 is: 250,853,837.55
Step by Step Solution
- Step 1: Write the proportion equation
360,946,136.20 : 541,419,204.30 = 167,235,891.70 : x - Step 2: Convert to fraction form
360,946,136.20/541,419,204.30 = 167,235,891.70/x - Step 3: Cross multiply
360,946,136.20x = 541,419,204.30 × 167,235,891.70 - Step 4: Simplify right side
360,946,136.20x = 90,544,723,414,614,960 - Step 5: Solve for x
x = 90,544,723,414,614,960/360,946,136.20 - Step 6: Final answer
x = 250,853,837.55
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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.