Finding the Fourth Proportional to 47,750,301.80, 71,625,452.70 and 47,750,301.80
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Solution
The fourth proportional to 47,750,301.80, 71,625,452.70 and 47,750,301.80 is: 71,625,452.70
Step by Step Solution
- Step 1: Write the proportion equation
47,750,301.80 : 71,625,452.70 = 47,750,301.80 : x - Step 2: Convert to fraction form
47,750,301.80/71,625,452.70 = 47,750,301.80/x - Step 3: Cross multiply
47,750,301.80x = 71,625,452.70 × 47,750,301.80 - Step 4: Simplify right side
47,750,301.80x = 3,420,136,982,986,625 - Step 5: Solve for x
x = 3,420,136,982,986,625/47,750,301.80 - Step 6: Final answer
x = 71,625,452.70
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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.