Finding the Fourth Proportional to 209,201,418.66, 313,802,126.43 and 76,264,244.28
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Solution
The fourth proportional to 209,201,418.66, 313,802,126.43 and 76,264,244.28 is: 114,396,365.85
Step by Step Solution
- Step 1: Write the proportion equation
209,201,418.66 : 313,802,126.43 = 76,264,244.28 : x - Step 2: Convert to fraction form
209,201,418.66/313,802,126.43 = 76,264,244.28/x - Step 3: Cross multiply
209,201,418.66x = 313,802,126.43 × 76,264,244.28 - Step 4: Simplify right side
209,201,418.66x = 23,931,882,025,354,972 - Step 5: Solve for x
x = 23,931,882,025,354,972/209,201,418.66 - Step 6: Final answer
x = 114,396,365.85
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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.