Finding the Fourth Proportional to 201,204,604.20, 301,806,906.30 and 193,551,853.80
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Solution
The fourth proportional to 201,204,604.20, 301,806,906.30 and 193,551,853.80 is: 290,327,780.70
Step by Step Solution
- Step 1: Write the proportion equation
201,204,604.20 : 301,806,906.30 = 193,551,853.80 : x - Step 2: Convert to fraction form
201,204,604.20/301,806,906.30 = 193,551,853.80/x - Step 3: Cross multiply
201,204,604.20x = 301,806,906.30 × 193,551,853.80 - Step 4: Simplify right side
201,204,604.20x = 58,415,286,204,007,904 - Step 5: Solve for x
x = 58,415,286,204,007,904/201,204,604.20 - Step 6: Final answer
x = 290,327,780.70
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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.