Finding the Fourth Proportional to 53,811,926.20, 80,930,465.70 and 48,284,939.80
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Solution
The fourth proportional to 53,811,926.20, 80,930,465.70 and 48,284,939.80 is: 72,618,152.52
Step by Step Solution
- Step 1: Write the proportion equation
53,811,926.20 : 80,930,465.70 = 48,284,939.80 : x - Step 2: Convert to fraction form
53,811,926.20/80,930,465.70 = 48,284,939.80/x - Step 3: Cross multiply
53,811,926.20x = 80,930,465.70 × 48,284,939.80 - Step 4: Simplify right side
53,811,926.20x = 3,907,722,664,310,465 - Step 5: Solve for x
x = 3,907,722,664,310,465/53,811,926.20 - Step 6: Final answer
x = 72,618,152.52
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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.