Finding the Fourth Proportional to 110,984,156.40, 166,476,234.60 and 106,449,193.20
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Solution
The fourth proportional to 110,984,156.40, 166,476,234.60 and 106,449,193.20 is: 159,673,789.80
Step by Step Solution
- Step 1: Write the proportion equation
110,984,156.40 : 166,476,234.60 = 106,449,193.20 : x - Step 2: Convert to fraction form
110,984,156.40/166,476,234.60 = 106,449,193.20/x - Step 3: Cross multiply
110,984,156.40x = 166,476,234.60 × 106,449,193.20 - Step 4: Simplify right side
110,984,156.40x = 17,721,260,860,143,924 - Step 5: Solve for x
x = 17,721,260,860,143,924/110,984,156.40 - Step 6: Final answer
x = 159,673,789.80
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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.