Finding the Fourth Proportional to 66,252,872.07, 91,427,177.34 and 36,884,207.28
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Solution
The fourth proportional to 66,252,872.07, 91,427,177.34 and 36,884,207.28 is: 50,899,211.68
Step by Step Solution
- Step 1: Write the proportion equation
66,252,872.07 : 91,427,177.34 = 36,884,207.28 : x - Step 2: Convert to fraction form
66,252,872.07/91,427,177.34 = 36,884,207.28/x - Step 3: Cross multiply
66,252,872.07x = 91,427,177.34 × 36,884,207.28 - Step 4: Simplify right side
66,252,872.07x = 3,372,218,960,033,879.50 - Step 5: Solve for x
x = 3,372,218,960,033,879.50/66,252,872.07 - Step 6: Final answer
x = 50,899,211.68
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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.