Finding the Fourth Proportional to 57,471,217.70, 86,206,826.55 and 51,235,643.30
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Solution
The fourth proportional to 57,471,217.70, 86,206,826.55 and 51,235,643.30 is: 76,853,464.95
Step by Step Solution
- Step 1: Write the proportion equation
57,471,217.70 : 86,206,826.55 = 51,235,643.30 : x - Step 2: Convert to fraction form
57,471,217.70/86,206,826.55 = 51,235,643.30/x - Step 3: Cross multiply
57,471,217.70x = 86,206,826.55 × 51,235,643.30 - Step 4: Simplify right side
57,471,217.70x = 4,416,862,215,140,769 - Step 5: Solve for x
x = 4,416,862,215,140,769/57,471,217.70 - Step 6: Final answer
x = 76,853,464.95
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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.