Finding the Fourth Proportional to 178,678,814.99, 267,786,504.24 and 80,237,833.43
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Solution
The fourth proportional to 178,678,814.99, 267,786,504.24 and 80,237,833.43 is: 120,252,694.32
Step by Step Solution
- Step 1: Write the proportion equation
178,678,814.99 : 267,786,504.24 = 80,237,833.43 : x - Step 2: Convert to fraction form
178,678,814.99/267,786,504.24 = 80,237,833.43/x - Step 3: Cross multiply
178,678,814.99x = 267,786,504.24 × 80,237,833.43 - Step 4: Simplify right side
178,678,814.99x = 21,486,608,920,672,176 - Step 5: Solve for x
x = 21,486,608,920,672,176/178,678,814.99 - Step 6: Final answer
x = 120,252,694.32
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.