Finding the Fourth Proportional to 214,067,722.20, 321,101,583.30 and 189,408,859.80
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Solution
The fourth proportional to 214,067,722.20, 321,101,583.30 and 189,408,859.80 is: 284,113,289.70
Step by Step Solution
- Step 1: Write the proportion equation
214,067,722.20 : 321,101,583.30 = 189,408,859.80 : x - Step 2: Convert to fraction form
214,067,722.20/321,101,583.30 = 189,408,859.80/x - Step 3: Cross multiply
214,067,722.20x = 321,101,583.30 × 189,408,859.80 - Step 4: Simplify right side
214,067,722.20x = 60,819,484,772,827,728 - Step 5: Solve for x
x = 60,819,484,772,827,728/214,067,722.20 - Step 6: Final answer
x = 284,113,289.70
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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.