Finding the Fourth Proportional to 117,451,816.80, 176,177,725.20 and 32,351,272.80
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Solution
The fourth proportional to 117,451,816.80, 176,177,725.20 and 32,351,272.80 is: 48,526,909.20
Step by Step Solution
- Step 1: Write the proportion equation
117,451,816.80 : 176,177,725.20 = 32,351,272.80 : x - Step 2: Convert to fraction form
117,451,816.80/176,177,725.20 = 32,351,272.80/x - Step 3: Cross multiply
117,451,816.80x = 176,177,725.20 × 32,351,272.80 - Step 4: Simplify right side
117,451,816.80x = 5,699,573,649,228,634 - Step 5: Solve for x
x = 5,699,573,649,228,634/117,451,816.80 - Step 6: Final answer
x = 48,526,909.20
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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.