Finding the Fourth Proportional to 242,794,161.33, 335,035,687.91 and 136,941,743.49
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Solution
The fourth proportional to 242,794,161.33, 335,035,687.91 and 136,941,743.49 is: 188,968,181.86
Step by Step Solution
- Step 1: Write the proportion equation
242,794,161.33 : 335,035,687.91 = 136,941,743.49 : x - Step 2: Convert to fraction form
242,794,161.33/335,035,687.91 = 136,941,743.49/x - Step 3: Cross multiply
242,794,161.33x = 335,035,687.91 × 136,941,743.49 - Step 4: Simplify right side
242,794,161.33x = 45,880,371,233,082,208 - Step 5: Solve for x
x = 45,880,371,233,082,208/242,794,161.33 - Step 6: Final answer
x = 188,968,181.86
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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.