Finding the Fourth Proportional to 166,829,496.40, 250,244,244.60 and 115,173,431.20
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Solution
The fourth proportional to 166,829,496.40, 250,244,244.60 and 115,173,431.20 is: 172,760,146.80
Step by Step Solution
- Step 1: Write the proportion equation
166,829,496.40 : 250,244,244.60 = 115,173,431.20 : x - Step 2: Convert to fraction form
166,829,496.40/250,244,244.60 = 115,173,431.20/x - Step 3: Cross multiply
166,829,496.40x = 250,244,244.60 × 115,173,431.20 - Step 4: Simplify right side
166,829,496.40x = 28,821,488,288,634,072 - Step 5: Solve for x
x = 28,821,488,288,634,072/166,829,496.40 - Step 6: Final answer
x = 172,760,146.80
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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.