Finding the Fourth Proportional to 134,310,231.80, 201,465,347.70 and 131,324,247.80
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Solution
The fourth proportional to 134,310,231.80, 201,465,347.70 and 131,324,247.80 is: 196,986,371.70
Step by Step Solution
- Step 1: Write the proportion equation
134,310,231.80 : 201,465,347.70 = 131,324,247.80 : x - Step 2: Convert to fraction form
134,310,231.80/201,465,347.70 = 131,324,247.80/x - Step 3: Cross multiply
134,310,231.80x = 201,465,347.70 × 131,324,247.80 - Step 4: Simplify right side
134,310,231.80x = 26,457,285,244,467,956 - Step 5: Solve for x
x = 26,457,285,244,467,956/134,310,231.80 - Step 6: Final answer
x = 196,986,371.70
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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.