Finding the Fourth Proportional to 214,067,717.70, 321,101,576.55 and 189,408,855.30
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Solution
The fourth proportional to 214,067,717.70, 321,101,576.55 and 189,408,855.30 is: 284,113,282.95
Step by Step Solution
- Step 1: Write the proportion equation
214,067,717.70 : 321,101,576.55 = 189,408,855.30 : x - Step 2: Convert to fraction form
214,067,717.70/321,101,576.55 = 189,408,855.30/x - Step 3: Cross multiply
214,067,717.70x = 321,101,576.55 × 189,408,855.30 - Step 4: Simplify right side
214,067,717.70x = 60,819,482,049,360,832 - Step 5: Solve for x
x = 60,819,482,049,360,832/214,067,717.70 - Step 6: Final answer
x = 284,113,282.95
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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.