Finding the Fourth Proportional to 192,457,409.40, 288,686,114.10 and 156,177,703.80
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Solution
The fourth proportional to 192,457,409.40, 288,686,114.10 and 156,177,703.80 is: 234,266,555.70
Step by Step Solution
- Step 1: Write the proportion equation
192,457,409.40 : 288,686,114.10 = 156,177,703.80 : x - Step 2: Convert to fraction form
192,457,409.40/288,686,114.10 = 156,177,703.80/x - Step 3: Cross multiply
192,457,409.40x = 288,686,114.10 × 156,177,703.80 - Step 4: Simplify right side
192,457,409.40x = 45,086,334,419,082,808 - Step 5: Solve for x
x = 45,086,334,419,082,808/192,457,409.40 - Step 6: Final answer
x = 234,266,555.70
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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.