Finding the Fourth Proportional to 213,822,198.12, 295,074,621.36 and 116,037,054.12
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Solution
The fourth proportional to 213,822,198.12, 295,074,621.36 and 116,037,054.12 is: 160,131,128.15
Step by Step Solution
- Step 1: Write the proportion equation
213,822,198.12 : 295,074,621.36 = 116,037,054.12 : x - Step 2: Convert to fraction form
213,822,198.12/295,074,621.36 = 116,037,054.12/x - Step 3: Cross multiply
213,822,198.12x = 295,074,621.36 × 116,037,054.12 - Step 4: Simplify right side
213,822,198.12x = 34,239,589,808,188,832 - Step 5: Solve for x
x = 34,239,589,808,188,832/213,822,198.12 - Step 6: Final answer
x = 160,131,128.15
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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.