Finding the Fourth Proportional to 118,055,239.80, 177,082,859.70 and 60,659,611.80
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Solution
The fourth proportional to 118,055,239.80, 177,082,859.70 and 60,659,611.80 is: 90,989,417.70
Step by Step Solution
- Step 1: Write the proportion equation
118,055,239.80 : 177,082,859.70 = 60,659,611.80 : x - Step 2: Convert to fraction form
118,055,239.80/177,082,859.70 = 60,659,611.80/x - Step 3: Cross multiply
118,055,239.80x = 177,082,859.70 × 60,659,611.80 - Step 4: Simplify right side
118,055,239.80x = 10,741,777,525,835,864 - Step 5: Solve for x
x = 10,741,777,525,835,864/118,055,239.80 - Step 6: Final answer
x = 90,989,417.70
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1.5x scale
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.