Finding the Fourth Proportional to 261,971,391.70, 367,297,425.50 and 261,971,391.70
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Solution
The fourth proportional to 261,971,391.70, 367,297,425.50 and 261,971,391.70 is: 367,297,425.50
Step by Step Solution
- Step 1: Write the proportion equation
261,971,391.70 : 367,297,425.50 = 261,971,391.70 : x - Step 2: Convert to fraction form
261,971,391.70/367,297,425.50 = 261,971,391.70/x - Step 3: Cross multiply
261,971,391.70x = 367,297,425.50 × 261,971,391.70 - Step 4: Simplify right side
261,971,391.70x = 96,221,417,726,062,064 - Step 5: Solve for x
x = 96,221,417,726,062,064/261,971,391.70 - Step 6: Final answer
x = 367,297,425.50
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.