Finding the Fourth Proportional to 221,982,201.18, 332,821,961.35 and 112,596,446.46
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Solution
The fourth proportional to 221,982,201.18, 332,821,961.35 and 112,596,446.46 is: 168,817,905.00
Step by Step Solution
- Step 1: Write the proportion equation
221,982,201.18 : 332,821,961.35 = 112,596,446.46 : x - Step 2: Convert to fraction form
221,982,201.18/332,821,961.35 = 112,596,446.46/x - Step 3: Cross multiply
221,982,201.18x = 332,821,961.35 × 112,596,446.46 - Step 4: Simplify right side
221,982,201.18x = 37,474,570,151,575,976 - Step 5: Solve for x
x = 37,474,570,151,575,976/221,982,201.18 - Step 6: Final answer
x = 168,817,905.00
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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.