Finding the Fourth Proportional to 53,953,561.70, 80,930,342.55 and 48,284,857.70
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Solution
The fourth proportional to 53,953,561.70, 80,930,342.55 and 48,284,857.70 is: 72,427,286.55
Step by Step Solution
- Step 1: Write the proportion equation
53,953,561.70 : 80,930,342.55 = 48,284,857.70 : x - Step 2: Convert to fraction form
53,953,561.70/80,930,342.55 = 48,284,857.70/x - Step 3: Cross multiply
53,953,561.70x = 80,930,342.55 × 48,284,857.70 - Step 4: Simplify right side
53,953,561.70x = 3,907,710,073,639,005 - Step 5: Solve for x
x = 3,907,710,073,639,005/53,953,561.70 - Step 6: Final answer
x = 72,427,286.55
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1.5x scale
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.