Finding the Fourth Proportional to 223,530,458.70, 335,295,688.05 and 189,518,234.70
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Solution
The fourth proportional to 223,530,458.70, 335,295,688.05 and 189,518,234.70 is: 284,277,352.05
Step by Step Solution
- Step 1: Write the proportion equation
223,530,458.70 : 335,295,688.05 = 189,518,234.70 : x - Step 2: Convert to fraction form
223,530,458.70/335,295,688.05 = 189,518,234.70/x - Step 3: Cross multiply
223,530,458.70x = 335,295,688.05 × 189,518,234.70 - Step 4: Simplify right side
223,530,458.70x = 63,544,646,901,757,880 - Step 5: Solve for x
x = 63,544,646,901,757,880/223,530,458.70 - Step 6: Final answer
x = 284,277,352.05
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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.