Finding the Fourth Proportional to 177,360,136.20, 266,040,204.30 and 116,844,193.80
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Solution
The fourth proportional to 177,360,136.20, 266,040,204.30 and 116,844,193.80 is: 175,266,290.70
Step by Step Solution
- Step 1: Write the proportion equation
177,360,136.20 : 266,040,204.30 = 116,844,193.80 : x - Step 2: Convert to fraction form
177,360,136.20/266,040,204.30 = 116,844,193.80/x - Step 3: Cross multiply
177,360,136.20x = 266,040,204.30 × 116,844,193.80 - Step 4: Simplify right side
177,360,136.20x = 31,085,253,189,820,792 - Step 5: Solve for x
x = 31,085,253,189,820,792/177,360,136.20 - Step 6: Final answer
x = 175,266,290.70
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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.