Finding the Fourth Proportional to 269,081,633.80, 403,622,450.70 and 146,318,762.80
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Solution
The fourth proportional to 269,081,633.80, 403,622,450.70 and 146,318,762.80 is: 219,478,144.20
Step by Step Solution
- Step 1: Write the proportion equation
269,081,633.80 : 403,622,450.70 = 146,318,762.80 : x - Step 2: Convert to fraction form
269,081,633.80/403,622,450.70 = 146,318,762.80/x - Step 3: Cross multiply
269,081,633.80x = 403,622,450.70 × 146,318,762.80 - Step 4: Simplify right side
269,081,633.80x = 59,057,537,624,728,000 - Step 5: Solve for x
x = 59,057,537,624,728,000/269,081,633.80 - Step 6: Final answer
x = 219,478,144.20
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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.