Finding the Fourth Proportional to 199,133,163.20, 298,677,626.40 and 163,168,644.80
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Solution
The fourth proportional to 199,133,163.20, 298,677,626.40 and 163,168,644.80 is: 244,734,843.50
Step by Step Solution
- Step 1: Write the proportion equation
199,133,163.20 : 298,677,626.40 = 163,168,644.80 : x - Step 2: Convert to fraction form
199,133,163.20/298,677,626.40 = 163,168,644.80/x - Step 3: Cross multiply
199,133,163.20x = 298,677,626.40 × 163,168,644.80 - Step 4: Simplify right side
199,133,163.20x = 48,734,823,531,768,704 - Step 5: Solve for x
x = 48,734,823,531,768,704/199,133,163.20 - Step 6: Final answer
x = 244,734,843.50
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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.