Finding the Fourth Proportional to 71,512,608.30, 107,268,912.45 and 17,659,920.30
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Solution
The fourth proportional to 71,512,608.30, 107,268,912.45 and 17,659,920.30 is: 26,489,880.45
Step by Step Solution
- Step 1: Write the proportion equation
71,512,608.30 : 107,268,912.45 = 17,659,920.30 : x - Step 2: Convert to fraction form
71,512,608.30/107,268,912.45 = 17,659,920.30/x - Step 3: Cross multiply
71,512,608.30x = 107,268,912.45 × 17,659,920.30 - Step 4: Simplify right side
71,512,608.30x = 1,894,360,444,534,677.75 - Step 5: Solve for x
x = 1,894,360,444,534,677.75/71,512,608.30 - Step 6: Final answer
x = 26,489,880.45
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Similar ratio
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1.5x scale
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.