Finding the Fourth Proportional to 149,624,151.40, 224,324,252.70 and 81,543,716.20
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Solution
The fourth proportional to 149,624,151.40, 224,324,252.70 and 81,543,716.20 is: 122,254,549.33
Step by Step Solution
- Step 1: Write the proportion equation
149,624,151.40 : 224,324,252.70 = 81,543,716.20 : x - Step 2: Convert to fraction form
149,624,151.40/224,324,252.70 = 81,543,716.20/x - Step 3: Cross multiply
149,624,151.40x = 224,324,252.70 × 81,543,716.20 - Step 4: Simplify right side
149,624,151.40x = 18,292,233,198,945,884 - Step 5: Solve for x
x = 18,292,233,198,945,884/149,624,151.40 - Step 6: Final answer
x = 122,254,549.33
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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.