Finding the Fourth Proportional to 195,305,738.43, 269,520,972.51 and 107,201,235.09
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Solution
The fourth proportional to 195,305,738.43, 269,520,972.51 and 107,201,235.09 is: 147,937,184.89
Step by Step Solution
- Step 1: Write the proportion equation
195,305,738.43 : 269,520,972.51 = 107,201,235.09 : x - Step 2: Convert to fraction form
195,305,738.43/269,520,972.51 = 107,201,235.09/x - Step 3: Cross multiply
195,305,738.43x = 269,520,972.51 × 107,201,235.09 - Step 4: Simplify right side
195,305,738.43x = 28,892,981,135,729,936 - Step 5: Solve for x
x = 28,892,981,135,729,936/195,305,738.43 - Step 6: Final answer
x = 147,937,184.89
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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.