Finding the Fourth Proportional to 63,836,792.40, 95,768,638.58 and 20,702,632.44
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Solution
The fourth proportional to 63,836,792.40, 95,768,638.58 and 20,702,632.44 is: 31,058,310.56
Step by Step Solution
- Step 1: Write the proportion equation
63,836,792.40 : 95,768,638.58 = 20,702,632.44 : x - Step 2: Convert to fraction form
63,836,792.40/95,768,638.58 = 20,702,632.44/x - Step 3: Cross multiply
63,836,792.40x = 95,768,638.58 × 20,702,632.44 - Step 4: Simplify right side
63,836,792.40x = 1,982,662,923,800,943.75 - Step 5: Solve for x
x = 1,982,662,923,800,943.75/63,836,792.40 - Step 6: Final answer
x = 31,058,310.56
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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.