Finding the Fourth Proportional to 71,416,015.26, 98,555,180.88 and 40,061,014.68
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Solution
The fourth proportional to 71,416,015.26, 98,555,180.88 and 40,061,014.68 is: 55,284,805.99
Step by Step Solution
- Step 1: Write the proportion equation
71,416,015.26 : 98,555,180.88 = 40,061,014.68 : x - Step 2: Convert to fraction form
71,416,015.26/98,555,180.88 = 40,061,014.68/x - Step 3: Cross multiply
71,416,015.26x = 98,555,180.88 × 40,061,014.68 - Step 4: Simplify right side
71,416,015.26x = 3,948,220,548,023,735 - Step 5: Solve for x
x = 3,948,220,548,023,735/71,416,015.26 - Step 6: Final answer
x = 55,284,805.99
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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.