Finding the Fourth Proportional to 168,460,230.20, 252,491,279.70 and 71,415,750.20
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Solution
The fourth proportional to 168,460,230.20, 252,491,279.70 and 71,415,750.20 is: 107,039,234.94
Step by Step Solution
- Step 1: Write the proportion equation
168,460,230.20 : 252,491,279.70 = 71,415,750.20 : x - Step 2: Convert to fraction form
168,460,230.20/252,491,279.70 = 71,415,750.20/x - Step 3: Cross multiply
168,460,230.20x = 252,491,279.70 × 71,415,750.20 - Step 4: Simplify right side
168,460,230.20x = 18,031,854,158,733,532 - Step 5: Solve for x
x = 18,031,854,158,733,532/168,460,230.20 - Step 6: Final answer
x = 107,039,234.94
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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.