Finding the Fourth Proportional to 84,278,775.99, 126,428,284.26 and 29,680,069.44
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Solution
The fourth proportional to 84,278,775.99, 126,428,284.26 and 29,680,069.44 is: 44,523,668.17
Step by Step Solution
- Step 1: Write the proportion equation
84,278,775.99 : 126,428,284.26 = 29,680,069.44 : x - Step 2: Convert to fraction form
84,278,775.99/126,428,284.26 = 29,680,069.44/x - Step 3: Cross multiply
84,278,775.99x = 126,428,284.26 × 29,680,069.44 - Step 4: Simplify right side
84,278,775.99x = 3,752,400,256,016,859.50 - Step 5: Solve for x
x = 3,752,400,256,016,859.50/84,278,775.99 - Step 6: Final answer
x = 44,523,668.17
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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.