Finding the Fourth Proportional to 218,594,695.77, 327,690,262.94 and 109,324,782.09
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Solution
The fourth proportional to 218,594,695.77, 327,690,262.94 and 109,324,782.09 is: 163,886,257.45
Step by Step Solution
- Step 1: Write the proportion equation
218,594,695.77 : 327,690,262.94 = 109,324,782.09 : x - Step 2: Convert to fraction form
218,594,695.77/327,690,262.94 = 109,324,782.09/x - Step 3: Cross multiply
218,594,695.77x = 327,690,262.94 × 109,324,782.09 - Step 4: Simplify right side
218,594,695.77x = 35,824,666,588,383,680 - Step 5: Solve for x
x = 35,824,666,588,383,680/218,594,695.77 - Step 6: Final answer
x = 163,886,257.45
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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.