Finding the Fourth Proportional to 38,167,967.80, 57,251,951.70 and 30,609,695.80
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Solution
The fourth proportional to 38,167,967.80, 57,251,951.70 and 30,609,695.80 is: 45,914,543.70
Step by Step Solution
- Step 1: Write the proportion equation
38,167,967.80 : 57,251,951.70 = 30,609,695.80 : x - Step 2: Convert to fraction form
38,167,967.80/57,251,951.70 = 30,609,695.80/x - Step 3: Cross multiply
38,167,967.80x = 57,251,951.70 × 30,609,695.80 - Step 4: Simplify right side
38,167,967.80x = 1,752,464,825,493,293 - Step 5: Solve for x
x = 1,752,464,825,493,293/38,167,967.80 - Step 6: Final answer
x = 45,914,543.70
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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.