Finding the Fourth Proportional to 189,915,548.20, 284,873,322.30 and 177,175,349.80
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Solution
The fourth proportional to 189,915,548.20, 284,873,322.30 and 177,175,349.80 is: 265,763,024.70
Step by Step Solution
- Step 1: Write the proportion equation
189,915,548.20 : 284,873,322.30 = 177,175,349.80 : x - Step 2: Convert to fraction form
189,915,548.20/284,873,322.30 = 177,175,349.80/x - Step 3: Cross multiply
189,915,548.20x = 284,873,322.30 × 177,175,349.80 - Step 4: Simplify right side
189,915,548.20x = 50,472,530,527,190,648 - Step 5: Solve for x
x = 50,472,530,527,190,648/189,915,548.20 - Step 6: Final answer
x = 265,763,024.70
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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.