Finding the Fourth Proportional to 221,479,809.70, 332,219,714.55 and 106,436,611.30
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Solution
The fourth proportional to 221,479,809.70, 332,219,714.55 and 106,436,611.30 is: 159,654,916.95
Step by Step Solution
- Step 1: Write the proportion equation
221,479,809.70 : 332,219,714.55 = 106,436,611.30 : x - Step 2: Convert to fraction form
221,479,809.70/332,219,714.55 = 106,436,611.30/x - Step 3: Cross multiply
221,479,809.70x = 332,219,714.55 × 106,436,611.30 - Step 4: Simplify right side
221,479,809.70x = 35,360,340,623,755,304 - Step 5: Solve for x
x = 35,360,340,623,755,304/221,479,809.70 - Step 6: Final answer
x = 159,654,916.95
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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.