Finding the Fourth Proportional to 80,567,475.99, 120,765,172.12 and 45,949,336.49
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Solution
The fourth proportional to 80,567,475.99, 120,765,172.12 and 45,949,336.49 is: 68,874,933.23
Step by Step Solution
- Step 1: Write the proportion equation
80,567,475.99 : 120,765,172.12 = 45,949,336.49 : x - Step 2: Convert to fraction form
80,567,475.99/120,765,172.12 = 45,949,336.49/x - Step 3: Cross multiply
80,567,475.99x = 120,765,172.12 × 45,949,336.49 - Step 4: Simplify right side
80,567,475.99x = 5,549,079,529,410,821 - Step 5: Solve for x
x = 5,549,079,529,410,821/80,567,475.99 - Step 6: Final answer
x = 68,874,933.23
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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.