Finding the Fourth Proportional to 55,491,231.20, 83,236,846.80 and 15,101,715.20
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Solution
The fourth proportional to 55,491,231.20, 83,236,846.80 and 15,101,715.20 is: 22,652,572.80
Step by Step Solution
- Step 1: Write the proportion equation
55,491,231.20 : 83,236,846.80 = 15,101,715.20 : x - Step 2: Convert to fraction form
55,491,231.20/83,236,846.80 = 15,101,715.20/x - Step 3: Cross multiply
55,491,231.20x = 83,236,846.80 × 15,101,715.20 - Step 4: Simplify right side
55,491,231.20x = 1,257,019,154,519,631.25 - Step 5: Solve for x
x = 1,257,019,154,519,631.25/55,491,231.20 - Step 6: Final answer
x = 22,652,572.80
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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.