Finding the Fourth Proportional to 214,571,495.88, 296,213,637.69 and 143,981,849.97
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Solution
The fourth proportional to 214,571,495.88, 296,213,637.69 and 143,981,849.97 is: 198,765,392.23
Step by Step Solution
- Step 1: Write the proportion equation
214,571,495.88 : 296,213,637.69 = 143,981,849.97 : x - Step 2: Convert to fraction form
214,571,495.88/296,213,637.69 = 143,981,849.97/x - Step 3: Cross multiply
214,571,495.88x = 296,213,637.69 × 143,981,849.97 - Step 4: Simplify right side
214,571,495.88x = 42,649,387,540,949,520 - Step 5: Solve for x
x = 42,649,387,540,949,520/214,571,495.88 - Step 6: Final answer
x = 198,765,392.23
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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.