Finding the Fourth Proportional to 49,207,542.20, 73,811,313.30 and 48,357,236.60
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Solution
The fourth proportional to 49,207,542.20, 73,811,313.30 and 48,357,236.60 is: 72,535,854.90
Step by Step Solution
- Step 1: Write the proportion equation
49,207,542.20 : 73,811,313.30 = 48,357,236.60 : x - Step 2: Convert to fraction form
49,207,542.20/73,811,313.30 = 48,357,236.60/x - Step 3: Cross multiply
49,207,542.20x = 73,811,313.30 × 48,357,236.60 - Step 4: Simplify right side
49,207,542.20x = 3,569,311,141,004,826.50 - Step 5: Solve for x
x = 3,569,311,141,004,826.50/49,207,542.20 - Step 6: Final answer
x = 72,535,854.90
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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.