Finding the Fourth Proportional to 203,383,450.24, 280,405,720.94 and 131,728,844.68
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Solution
The fourth proportional to 203,383,450.24, 280,405,720.94 and 131,728,844.68 is: 181,615,178.71
Step by Step Solution
- Step 1: Write the proportion equation
203,383,450.24 : 280,405,720.94 = 131,728,844.68 : x - Step 2: Convert to fraction form
203,383,450.24/280,405,720.94 = 131,728,844.68/x - Step 3: Cross multiply
203,383,450.24x = 280,405,720.94 × 131,728,844.68 - Step 4: Simplify right side
203,383,450.24x = 36,937,521,661,088,688 - Step 5: Solve for x
x = 36,937,521,661,088,688/203,383,450.24 - Step 6: Final answer
x = 181,615,178.71
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.