Finding the Fourth Proportional to 66,424,350.69, 91,654,251.69 and 38,540,668.62
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Solution
The fourth proportional to 66,424,350.69, 91,654,251.69 and 38,540,668.62 is: 53,179,535.90
Step by Step Solution
- Step 1: Write the proportion equation
66,424,350.69 : 91,654,251.69 = 38,540,668.62 : x - Step 2: Convert to fraction form
66,424,350.69/91,654,251.69 = 38,540,668.62/x - Step 3: Cross multiply
66,424,350.69x = 91,654,251.69 × 38,540,668.62 - Step 4: Simplify right side
66,424,350.69x = 3,532,416,141,998,364.50 - Step 5: Solve for x
x = 3,532,416,141,998,364.50/66,424,350.69 - Step 6: Final answer
x = 53,179,535.90
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.