Finding the Fourth Proportional to 220,110,750.30, 330,166,125.45 and 66,764,433.90
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Solution
The fourth proportional to 220,110,750.30, 330,166,125.45 and 66,764,433.90 is: 100,146,650.85
Step by Step Solution
- Step 1: Write the proportion equation
220,110,750.30 : 330,166,125.45 = 66,764,433.90 : x - Step 2: Convert to fraction form
220,110,750.30/330,166,125.45 = 66,764,433.90/x - Step 3: Cross multiply
220,110,750.30x = 330,166,125.45 × 66,764,433.90 - Step 4: Simplify right side
220,110,750.30x = 22,043,354,458,625,632 - Step 5: Solve for x
x = 22,043,354,458,625,632/220,110,750.30 - Step 6: Final answer
x = 100,146,650.85
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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.