Finding the Fourth Proportional to 178,354,574.42, 267,467,678.23 and 61,738,245.05
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Solution
The fourth proportional to 178,354,574.42, 267,467,678.23 and 61,738,245.05 is: 92,585,150.20
Step by Step Solution
- Step 1: Write the proportion equation
178,354,574.42 : 267,467,678.23 = 61,738,245.05 : x - Step 2: Convert to fraction form
178,354,574.42/267,467,678.23 = 61,738,245.05/x - Step 3: Cross multiply
178,354,574.42x = 267,467,678.23 × 61,738,245.05 - Step 4: Simplify right side
178,354,574.42x = 16,512,985,061,518,288 - Step 5: Solve for x
x = 16,512,985,061,518,288/178,354,574.42 - Step 6: Final answer
x = 92,585,150.20
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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.