Finding the Fourth Proportional to 221,436,522.45, 332,154,783.68 and 106,393,324.05
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Solution
The fourth proportional to 221,436,522.45, 332,154,783.68 and 106,393,324.05 is: 159,589,986.08
Step by Step Solution
- Step 1: Write the proportion equation
221,436,522.45 : 332,154,783.68 = 106,393,324.05 : x - Step 2: Convert to fraction form
221,436,522.45/332,154,783.68 = 106,393,324.05/x - Step 3: Cross multiply
221,436,522.45x = 332,154,783.68 × 106,393,324.05 - Step 4: Simplify right side
221,436,522.45x = 35,339,051,534,291,924 - Step 5: Solve for x
x = 35,339,051,534,291,924/221,436,522.45 - Step 6: Final answer
x = 159,589,986.08
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1.5x scale
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.