Finding the Fourth Proportional to 208,874,128.28, 313,321,599.35 and 79,491,765.97
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Solution
The fourth proportional to 208,874,128.28, 313,321,599.35 and 79,491,765.97 is: 119,241,609.54
Step by Step Solution
- Step 1: Write the proportion equation
208,874,128.28 : 313,321,599.35 = 79,491,765.97 : x - Step 2: Convert to fraction form
208,874,128.28/313,321,599.35 = 79,491,765.97/x - Step 3: Cross multiply
208,874,128.28x = 313,321,599.35 × 79,491,765.97 - Step 4: Simplify right side
208,874,128.28x = 24,906,487,247,853,696 - Step 5: Solve for x
x = 24,906,487,247,853,696/208,874,128.28 - Step 6: Final answer
x = 119,241,609.54
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.