Finding the Fourth Proportional to 87,744,535.74, 121,085,976.04 and 48,585,469.68
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Solution
The fourth proportional to 87,744,535.74, 121,085,976.04 and 48,585,469.68 is: 67,047,126.85
Step by Step Solution
- Step 1: Write the proportion equation
87,744,535.74 : 121,085,976.04 = 48,585,469.68 : x - Step 2: Convert to fraction form
87,744,535.74/121,085,976.04 = 48,585,469.68/x - Step 3: Cross multiply
87,744,535.74x = 121,085,976.04 × 48,585,469.68 - Step 4: Simplify right side
87,744,535.74x = 5,883,019,017,716,699 - Step 5: Solve for x
x = 5,883,019,017,716,699/87,744,535.74 - Step 6: Final answer
x = 67,047,126.85
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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.