Finding the Fourth Proportional to 164,396,311.20, 246,594,466.80 and 154,318,615.20
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Solution
The fourth proportional to 164,396,311.20, 246,594,466.80 and 154,318,615.20 is: 231,477,922.80
Step by Step Solution
- Step 1: Write the proportion equation
164,396,311.20 : 246,594,466.80 = 154,318,615.20 : x - Step 2: Convert to fraction form
164,396,311.20/246,594,466.80 = 154,318,615.20/x - Step 3: Cross multiply
164,396,311.20x = 246,594,466.80 × 154,318,615.20 - Step 4: Simplify right side
164,396,311.20x = 38,054,116,632,558,376 - Step 5: Solve for x
x = 38,054,116,632,558,376/164,396,311.20 - Step 6: Final answer
x = 231,477,922.80
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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.