Finding the Fourth Proportional to 194,928,608.80, 292,392,913.20 and 79,995,635.20
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Solution
The fourth proportional to 194,928,608.80, 292,392,913.20 and 79,995,635.20 is: 119,993,452.80
Step by Step Solution
- Step 1: Write the proportion equation
194,928,608.80 : 292,392,913.20 = 79,995,635.20 : x - Step 2: Convert to fraction form
194,928,608.80/292,392,913.20 = 79,995,635.20/x - Step 3: Cross multiply
194,928,608.80x = 292,392,913.20 × 79,995,635.20 - Step 4: Simplify right side
194,928,608.80x = 23,390,156,819,412,464 - Step 5: Solve for x
x = 23,390,156,819,412,464/194,928,608.80 - Step 6: Final answer
x = 119,993,452.80
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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.