Finding the Fourth Proportional to 175,040,021.80, 262,560,032.70 and 84,340,757.80
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Solution
The fourth proportional to 175,040,021.80, 262,560,032.70 and 84,340,757.80 is: 126,511,136.70
Step by Step Solution
- Step 1: Write the proportion equation
175,040,021.80 : 262,560,032.70 = 84,340,757.80 : x - Step 2: Convert to fraction form
175,040,021.80/262,560,032.70 = 84,340,757.80/x - Step 3: Cross multiply
175,040,021.80x = 262,560,032.70 × 84,340,757.80 - Step 4: Simplify right side
175,040,021.80x = 22,144,512,125,910,780 - Step 5: Solve for x
x = 22,144,512,125,910,780/175,040,021.80 - Step 6: Final answer
x = 126,511,136.70
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1.5x scale
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.