Finding the Fourth Proportional to 168,491,486.70, 252,737,230.05 and 149,359,610.70
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Solution
The fourth proportional to 168,491,486.70, 252,737,230.05 and 149,359,610.70 is: 224,039,416.05
Step by Step Solution
- Step 1: Write the proportion equation
168,491,486.70 : 252,737,230.05 = 149,359,610.70 : x - Step 2: Convert to fraction form
168,491,486.70/252,737,230.05 = 149,359,610.70/x - Step 3: Cross multiply
168,491,486.70x = 252,737,230.05 × 149,359,610.70 - Step 4: Simplify right side
168,491,486.70x = 37,748,734,289,664,344 - Step 5: Solve for x
x = 37,748,734,289,664,344/168,491,486.70 - Step 6: Final answer
x = 224,039,416.05
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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.