Finding the Fourth Proportional to 136,512,165.20, 204,768,247.80 and 88,139,224.40
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Solution
The fourth proportional to 136,512,165.20, 204,768,247.80 and 88,139,224.40 is: 132,208,836.60
Step by Step Solution
- Step 1: Write the proportion equation
136,512,165.20 : 204,768,247.80 = 88,139,224.40 : x - Step 2: Convert to fraction form
136,512,165.20/204,768,247.80 = 88,139,224.40/x - Step 3: Cross multiply
136,512,165.20x = 204,768,247.80 × 88,139,224.40 - Step 4: Simplify right side
136,512,165.20x = 18,048,114,542,839,008 - Step 5: Solve for x
x = 18,048,114,542,839,008/136,512,165.20 - Step 6: Final answer
x = 132,208,836.60
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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.