Finding the Fourth Proportional to 155,214,121.20, 232,821,181.80 and 106,841,180.40
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Solution
The fourth proportional to 155,214,121.20, 232,821,181.80 and 106,841,180.40 is: 160,261,770.60
Step by Step Solution
- Step 1: Write the proportion equation
155,214,121.20 : 232,821,181.80 = 106,841,180.40 : x - Step 2: Convert to fraction form
155,214,121.20/232,821,181.80 = 106,841,180.40/x - Step 3: Cross multiply
155,214,121.20x = 232,821,181.80 × 106,841,180.40 - Step 4: Simplify right side
155,214,121.20x = 24,874,889,885,635,000 - Step 5: Solve for x
x = 24,874,889,885,635,000/155,214,121.20 - Step 6: Final answer
x = 160,261,770.60
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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.