Finding the Fourth Proportional to 299,121,004.12, 448,704,201.12 and 80,768,168.50
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Solution
The fourth proportional to 299,121,004.12, 448,704,201.12 and 80,768,168.50 is: 121,158,380.80
Step by Step Solution
- Step 1: Write the proportion equation
299,121,004.12 : 448,704,201.12 = 80,768,168.50 : x - Step 2: Convert to fraction form
299,121,004.12/448,704,201.12 = 80,768,168.50/x - Step 3: Cross multiply
299,121,004.12x = 448,704,201.12 × 80,768,168.50 - Step 4: Simplify right side
299,121,004.12x = 36,241,016,522,718,048 - Step 5: Solve for x
x = 36,241,016,522,718,048/299,121,004.12 - Step 6: Final answer
x = 121,158,380.80
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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.