Finding the Fourth Proportional to 202,176,191.20, 303,264,286.80 and 168,583,871.20
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Solution
The fourth proportional to 202,176,191.20, 303,264,286.80 and 168,583,871.20 is: 252,875,806.80
Step by Step Solution
- Step 1: Write the proportion equation
202,176,191.20 : 303,264,286.80 = 168,583,871.20 : x - Step 2: Convert to fraction form
202,176,191.20/303,264,286.80 = 168,583,871.20/x - Step 3: Cross multiply
202,176,191.20x = 303,264,286.80 × 168,583,871.20 - Step 4: Simplify right side
202,176,191.20x = 51,125,467,465,451,056 - Step 5: Solve for x
x = 51,125,467,465,451,056/202,176,191.20 - Step 6: Final answer
x = 252,875,806.80
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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.