Finding the Fourth Proportional to 203,383,448.24, 280,405,718.19 and 131,728,842.68
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Solution
The fourth proportional to 203,383,448.24, 280,405,718.19 and 131,728,842.68 is: 181,615,175.95
Step by Step Solution
- Step 1: Write the proportion equation
203,383,448.24 : 280,405,718.19 = 131,728,842.68 : x - Step 2: Convert to fraction form
203,383,448.24/280,405,718.19 = 131,728,842.68/x - Step 3: Cross multiply
203,383,448.24x = 280,405,718.19 × 131,728,842.68 - Step 4: Simplify right side
203,383,448.24x = 36,937,520,736,620,896 - Step 5: Solve for x
x = 36,937,520,736,620,896/203,383,448.24 - Step 6: Final answer
x = 181,615,175.95
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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.