Finding the Fourth Proportional to 53,144,497.20, 79,716,745.80 and 14,811,927.60
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Solution
The fourth proportional to 53,144,497.20, 79,716,745.80 and 14,811,927.60 is: 22,217,891.40
Step by Step Solution
- Step 1: Write the proportion equation
53,144,497.20 : 79,716,745.80 = 14,811,927.60 : x - Step 2: Convert to fraction form
53,144,497.20/79,716,745.80 = 14,811,927.60/x - Step 3: Cross multiply
53,144,497.20x = 79,716,745.80 × 14,811,927.60 - Step 4: Simplify right side
53,144,497.20x = 1,180,758,667,297,204 - Step 5: Solve for x
x = 1,180,758,667,297,204/53,144,497.20 - Step 6: Final answer
x = 22,217,891.40
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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.