Finding the Fourth Proportional to 218,201,425.80, 327,302,138.70 and 136,412,655.90
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Solution
The fourth proportional to 218,201,425.80, 327,302,138.70 and 136,412,655.90 is: 204,618,983.85
Step by Step Solution
- Step 1: Write the proportion equation
218,201,425.80 : 327,302,138.70 = 136,412,655.90 : x - Step 2: Convert to fraction form
218,201,425.80/327,302,138.70 = 136,412,655.90/x - Step 3: Cross multiply
218,201,425.80x = 327,302,138.70 × 136,412,655.90 - Step 4: Simplify right side
218,201,425.80x = 44,648,154,021,817,176 - Step 5: Solve for x
x = 44,648,154,021,817,176/218,201,425.80 - Step 6: Final answer
x = 204,618,983.85
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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.