Finding the Fourth Proportional to 189,935,396.22, 283,306,187.99 and 172,498,817.01
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Solution
The fourth proportional to 189,935,396.22, 283,306,187.99 and 172,498,817.01 is: 257,297,919.46
Step by Step Solution
- Step 1: Write the proportion equation
189,935,396.22 : 283,306,187.99 = 172,498,817.01 : x - Step 2: Convert to fraction form
189,935,396.22/283,306,187.99 = 172,498,817.01/x - Step 3: Cross multiply
189,935,396.22x = 283,306,187.99 × 172,498,817.01 - Step 4: Simplify right side
189,935,396.22x = 48,869,982,279,025,176 - Step 5: Solve for x
x = 48,869,982,279,025,176/189,935,396.22 - Step 6: Final answer
x = 257,297,919.46
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.