Finding the Fourth Proportional to 170,825,117.70, 256,237,676.55 and 106,327,863.30
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Solution
The fourth proportional to 170,825,117.70, 256,237,676.55 and 106,327,863.30 is: 159,491,794.95
Step by Step Solution
- Step 1: Write the proportion equation
170,825,117.70 : 256,237,676.55 = 106,327,863.30 : x - Step 2: Convert to fraction form
170,825,117.70/256,237,676.55 = 106,327,863.30/x - Step 3: Cross multiply
170,825,117.70x = 256,237,676.55 × 106,327,863.30 - Step 4: Simplify right side
170,825,117.70x = 27,245,204,644,518,016 - Step 5: Solve for x
x = 27,245,204,644,518,016/170,825,117.70 - Step 6: Final answer
x = 159,491,794.95
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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.