Finding the Fourth Proportional to 49,728,131.80, 74,592,197.70 and 36,291,203.80
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Solution
The fourth proportional to 49,728,131.80, 74,592,197.70 and 36,291,203.80 is: 54,436,805.70
Step by Step Solution
- Step 1: Write the proportion equation
49,728,131.80 : 74,592,197.70 = 36,291,203.80 : x - Step 2: Convert to fraction form
49,728,131.80/74,592,197.70 = 36,291,203.80/x - Step 3: Cross multiply
49,728,131.80x = 74,592,197.70 × 36,291,203.80 - Step 4: Simplify right side
49,728,131.80x = 2,707,040,648,620,591 - Step 5: Solve for x
x = 2,707,040,648,620,591/49,728,131.80 - Step 6: Final answer
x = 54,436,805.70
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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.