Finding the Fourth Proportional to 68,987,679.12, 95,206,634.28 and 48,353,596.56
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Solution
The fourth proportional to 68,987,679.12, 95,206,634.28 and 48,353,596.56 is: 66,730,512.50
Step by Step Solution
- Step 1: Write the proportion equation
68,987,679.12 : 95,206,634.28 = 48,353,596.56 : x - Step 2: Convert to fraction form
68,987,679.12/95,206,634.28 = 48,353,596.56/x - Step 3: Cross multiply
68,987,679.12x = 95,206,634.28 × 48,353,596.56 - Step 4: Simplify right side
68,987,679.12x = 4,603,583,183,810,586 - Step 5: Solve for x
x = 4,603,583,183,810,586/68,987,679.12 - Step 6: Final answer
x = 66,730,512.50
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1.5x scale
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.