Finding the Fourth Proportional to 243,081,470.70, 335,452,445.97 and 133,073,183.70
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Solution
The fourth proportional to 243,081,470.70, 335,452,445.97 and 133,073,183.70 is: 183,641,002.49
Step by Step Solution
- Step 1: Write the proportion equation
243,081,470.70 : 335,452,445.97 = 133,073,183.70 : x - Step 2: Convert to fraction form
243,081,470.70/335,452,445.97 = 133,073,183.70/x - Step 3: Cross multiply
243,081,470.70x = 335,452,445.97 × 133,073,183.70 - Step 4: Simplify right side
243,081,470.70x = 44,639,724,965,180,136 - Step 5: Solve for x
x = 44,639,724,965,180,136/243,081,470.70 - Step 6: Final answer
x = 183,641,002.49
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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.