Finding the Fourth Proportional to 134,310,086.30, 201,465,129.45 and 131,324,102.30
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Solution
The fourth proportional to 134,310,086.30, 201,465,129.45 and 131,324,102.30 is: 196,986,153.45
Step by Step Solution
- Step 1: Write the proportion equation
134,310,086.30 : 201,465,129.45 = 131,324,102.30 : x - Step 2: Convert to fraction form
134,310,086.30/201,465,129.45 = 131,324,102.30/x - Step 3: Cross multiply
134,310,086.30x = 201,465,129.45 × 131,324,102.30 - Step 4: Simplify right side
134,310,086.30x = 26,457,227,269,774,540 - Step 5: Solve for x
x = 26,457,227,269,774,540/134,310,086.30 - Step 6: Final answer
x = 196,986,153.45
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Double scale
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Similar ratio
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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.