Finding the Fourth Proportional to 38,167,431.80, 57,251,147.70 and 38,167,431.80
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Solution
The fourth proportional to 38,167,431.80, 57,251,147.70 and 38,167,431.80 is: 57,251,147.70
Step by Step Solution
- Step 1: Write the proportion equation
38,167,431.80 : 57,251,147.70 = 38,167,431.80 : x - Step 2: Convert to fraction form
38,167,431.80/57,251,147.70 = 38,167,431.80/x - Step 3: Cross multiply
38,167,431.80x = 57,251,147.70 × 38,167,431.80 - Step 4: Simplify right side
38,167,431.80x = 2,185,129,275,311,476.75 - Step 5: Solve for x
x = 2,185,129,275,311,476.75/38,167,431.80 - Step 6: Final answer
x = 57,251,147.70
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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.