Finding the Fourth Proportional to 223,669,319.80, 335,304,525.30 and 87,322,991.80
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Solution
The fourth proportional to 223,669,319.80, 335,304,525.30 and 87,322,991.80 is: 130,906,618.48
Step by Step Solution
- Step 1: Write the proportion equation
223,669,319.80 : 335,304,525.30 = 87,322,991.80 : x - Step 2: Convert to fraction form
223,669,319.80/335,304,525.30 = 87,322,991.80/x - Step 3: Cross multiply
223,669,319.80x = 335,304,525.30 × 87,322,991.80 - Step 4: Simplify right side
223,669,319.80x = 29,279,794,313,274,792 - Step 5: Solve for x
x = 29,279,794,313,274,792/223,669,319.80 - Step 6: Final answer
x = 130,906,618.48
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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.