Finding the Fourth Proportional to 279,936,756.60, 419,905,134.90 and 136,609,524.60
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Solution
The fourth proportional to 279,936,756.60, 419,905,134.90 and 136,609,524.60 is: 204,914,286.90
Step by Step Solution
- Step 1: Write the proportion equation
279,936,756.60 : 419,905,134.90 = 136,609,524.60 : x - Step 2: Convert to fraction form
279,936,756.60/419,905,134.90 = 136,609,524.60/x - Step 3: Cross multiply
279,936,756.60x = 419,905,134.90 × 136,609,524.60 - Step 4: Simplify right side
279,936,756.60x = 57,363,040,855,787,864 - Step 5: Solve for x
x = 57,363,040,855,787,864/279,936,756.60 - Step 6: Final answer
x = 204,914,286.90
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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.