Finding the Fourth Proportional to 207,115,534.26, 285,825,491.09 and 113,035,719.20
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Solution
The fourth proportional to 207,115,534.26, 285,825,491.09 and 113,035,719.20 is: 155,992,596.42
Step by Step Solution
- Step 1: Write the proportion equation
207,115,534.26 : 285,825,491.09 = 113,035,719.20 : x - Step 2: Convert to fraction form
207,115,534.26/285,825,491.09 = 113,035,719.20/x - Step 3: Cross multiply
207,115,534.26x = 285,825,491.09 × 113,035,719.20 - Step 4: Simplify right side
207,115,534.26x = 32,308,489,949,057,032 - Step 5: Solve for x
x = 32,308,489,949,057,032/207,115,534.26 - Step 6: Final answer
x = 155,992,596.42
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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.