Finding the Fourth Proportional to 243,004,876.29, 335,347,618.14 and 131,495,717.99
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Solution
The fourth proportional to 243,004,876.29, 335,347,618.14 and 131,495,717.99 is: 181,464,571.81
Step by Step Solution
- Step 1: Write the proportion equation
243,004,876.29 : 335,347,618.14 = 131,495,717.99 : x - Step 2: Convert to fraction form
243,004,876.29/335,347,618.14 = 131,495,717.99/x - Step 3: Cross multiply
243,004,876.29x = 335,347,618.14 × 131,495,717.99 - Step 4: Simplify right side
243,004,876.29x = 44,096,775,824,394,016 - Step 5: Solve for x
x = 44,096,775,824,394,016/243,004,876.29 - Step 6: Final answer
x = 181,464,571.81
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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.