Finding the Fourth Proportional to 100,211,739.92, 150,121,918 and 47,614,560.96
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Solution
The fourth proportional to 100,211,739.92, 150,121,918 and 47,614,560.96 is: 71,328,860.49
Step by Step Solution
- Step 1: Write the proportion equation
100,211,739.92 : 150,121,918 = 47,614,560.96 : x - Step 2: Convert to fraction form
100,211,739.92/150,121,918 = 47,614,560.96/x - Step 3: Cross multiply
100,211,739.92x = 150,121,918 × 47,614,560.96 - Step 4: Simplify right side
100,211,739.92x = 7,147,989,216,043,121 - Step 5: Solve for x
x = 7,147,989,216,043,121/100,211,739.92 - Step 6: Final answer
x = 71,328,860.49
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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.