Finding the Fourth Proportional to 87,417,646.50, 120,633,183.59 and 48,258,580.44
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Solution
The fourth proportional to 87,417,646.50, 120,633,183.59 and 48,258,580.44 is: 66,595,091.80
Step by Step Solution
- Step 1: Write the proportion equation
87,417,646.50 : 120,633,183.59 = 48,258,580.44 : x - Step 2: Convert to fraction form
87,417,646.50/120,633,183.59 = 48,258,580.44/x - Step 3: Cross multiply
87,417,646.50x = 120,633,183.59 × 48,258,580.44 - Step 4: Simplify right side
87,417,646.50x = 5,821,586,193,770,009 - Step 5: Solve for x
x = 5,821,586,193,770,009/87,417,646.50 - Step 6: Final answer
x = 66,595,091.80
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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.