Finding the Fourth Proportional to 221,982,203.80, 332,821,965.29 and 112,596,449.09
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Solution
The fourth proportional to 221,982,203.80, 332,821,965.29 and 112,596,449.09 is: 168,817,908.94
Step by Step Solution
- Step 1: Write the proportion equation
221,982,203.80 : 332,821,965.29 = 112,596,449.09 : x - Step 2: Convert to fraction form
221,982,203.80/332,821,965.29 = 112,596,449.09/x - Step 3: Cross multiply
221,982,203.80x = 332,821,965.29 × 112,596,449.09 - Step 4: Simplify right side
221,982,203.80x = 37,474,571,468,582,144 - Step 5: Solve for x
x = 37,474,571,468,582,144/221,982,203.80 - Step 6: Final answer
x = 168,817,908.94
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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.