Finding the Fourth Proportional to 273,986,872.86, 410,980,301.34 and 126,390,763.84
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Solution
The fourth proportional to 273,986,872.86, 410,980,301.34 and 126,390,763.84 is: 189,586,142.09
Step by Step Solution
- Step 1: Write the proportion equation
273,986,872.86 : 410,980,301.34 = 126,390,763.84 : x - Step 2: Convert to fraction form
273,986,872.86/410,980,301.34 = 126,390,763.84/x - Step 3: Cross multiply
273,986,872.86x = 410,980,301.34 × 126,390,763.84 - Step 4: Simplify right side
273,986,872.86x = 51,944,114,207,501,072 - Step 5: Solve for x
x = 51,944,114,207,501,072/273,986,872.86 - Step 6: Final answer
x = 189,586,142.09
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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.