Finding the Fourth Proportional to 53,540,635.73, 73,880,515.37 and 31,512,821.47
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Solution
The fourth proportional to 53,540,635.73, 73,880,515.37 and 31,512,821.47 is: 43,484,419.99
Step by Step Solution
- Step 1: Write the proportion equation
53,540,635.73 : 73,880,515.37 = 31,512,821.47 : x - Step 2: Convert to fraction form
53,540,635.73/73,880,515.37 = 31,512,821.47/x - Step 3: Cross multiply
53,540,635.73x = 73,880,515.37 × 31,512,821.47 - Step 4: Simplify right side
53,540,635.73x = 2,328,183,491,002,586.50 - Step 5: Solve for x
x = 2,328,183,491,002,586.50/53,540,635.73 - Step 6: Final answer
x = 43,484,419.99
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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.