Finding the Fourth Proportional to 66,288,273.96, 91,480,668.84 and 36,919,619.58
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Solution
The fourth proportional to 66,288,273.96, 91,480,668.84 and 36,919,619.58 is: 50,950,662.78
Step by Step Solution
- Step 1: Write the proportion equation
66,288,273.96 : 91,480,668.84 = 36,919,619.58 : x - Step 2: Convert to fraction form
66,288,273.96/91,480,668.84 = 36,919,619.58/x - Step 3: Cross multiply
66,288,273.96x = 91,480,668.84 × 36,919,619.58 - Step 4: Simplify right side
66,288,273.96x = 3,377,431,492,496,760 - Step 5: Solve for x
x = 3,377,431,492,496,760/66,288,273.96 - Step 6: Final answer
x = 50,950,662.78
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.