Finding the Fourth Proportional to 87,437,491.20, 131,240,217.60 and 44,355,340.80
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Solution
The fourth proportional to 87,437,491.20, 131,240,217.60 and 44,355,340.80 is: 66,575,613.03
Step by Step Solution
- Step 1: Write the proportion equation
87,437,491.20 : 131,240,217.60 = 44,355,340.80 : x - Step 2: Convert to fraction form
87,437,491.20/131,240,217.60 = 44,355,340.80/x - Step 3: Cross multiply
87,437,491.20x = 131,240,217.60 × 44,355,340.80 - Step 4: Simplify right side
87,437,491.20x = 5,821,204,578,314,157 - Step 5: Solve for x
x = 5,821,204,578,314,157/87,437,491.20 - Step 6: Final answer
x = 66,575,613.03
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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.