Finding the Fourth Proportional to 446,073,381.41, 669,035,857.70 and 135,107,063.75
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Solution
The fourth proportional to 446,073,381.41, 669,035,857.70 and 135,107,063.75 is: 202,638,117.50
Step by Step Solution
- Step 1: Write the proportion equation
446,073,381.41 : 669,035,857.70 = 135,107,063.75 : x - Step 2: Convert to fraction form
446,073,381.41/669,035,857.70 = 135,107,063.75/x - Step 3: Cross multiply
446,073,381.41x = 669,035,857.70 × 135,107,063.75 - Step 4: Simplify right side
446,073,381.41x = 90,391,470,273,289,120 - Step 5: Solve for x
x = 90,391,470,273,289,120/446,073,381.41 - Step 6: Final answer
x = 202,638,117.50
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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.