Finding the Fourth Proportional to 151,425,828.60, 227,138,742.90 and 54,396,511.80
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Solution
The fourth proportional to 151,425,828.60, 227,138,742.90 and 54,396,511.80 is: 81,594,767.70
Step by Step Solution
- Step 1: Write the proportion equation
151,425,828.60 : 227,138,742.90 = 54,396,511.80 : x - Step 2: Convert to fraction form
151,425,828.60/227,138,742.90 = 54,396,511.80/x - Step 3: Cross multiply
151,425,828.60x = 227,138,742.90 × 54,396,511.80 - Step 4: Simplify right side
151,425,828.60x = 12,355,555,308,397,016 - Step 5: Solve for x
x = 12,355,555,308,397,016/151,425,828.60 - Step 6: Final answer
x = 81,594,767.70
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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.