Finding the Fourth Proportional to 130,705,912.44, 196,080,147.62 and 38,598,966.44
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Solution
The fourth proportional to 130,705,912.44, 196,080,147.62 and 38,598,966.44 is: 57,904,733.58
Step by Step Solution
- Step 1: Write the proportion equation
130,705,912.44 : 196,080,147.62 = 38,598,966.44 : x - Step 2: Convert to fraction form
130,705,912.44/196,080,147.62 = 38,598,966.44/x - Step 3: Cross multiply
130,705,912.44x = 196,080,147.62 × 38,598,966.44 - Step 4: Simplify right side
130,705,912.44x = 7,568,491,037,534,626 - Step 5: Solve for x
x = 7,568,491,037,534,626/130,705,912.44 - Step 6: Final answer
x = 57,904,733.58
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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.