Finding the Fourth Proportional to 49,907,240.80, 74,860,861.20 and 17,564,135.20
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Solution
The fourth proportional to 49,907,240.80, 74,860,861.20 and 17,564,135.20 is: 26,346,202.80
Step by Step Solution
- Step 1: Write the proportion equation
49,907,240.80 : 74,860,861.20 = 17,564,135.20 : x - Step 2: Convert to fraction form
49,907,240.80/74,860,861.20 = 17,564,135.20/x - Step 3: Cross multiply
49,907,240.80x = 74,860,861.20 × 17,564,135.20 - Step 4: Simplify right side
49,907,240.80x = 1,314,866,287,305,234.25 - Step 5: Solve for x
x = 1,314,866,287,305,234.25/49,907,240.80 - Step 6: Final answer
x = 26,346,202.80
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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.