Finding the Fourth Proportional to 146,780,126.70, 220,170,190.05 and 44,544,000.30
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Solution
The fourth proportional to 146,780,126.70, 220,170,190.05 and 44,544,000.30 is: 66,816,000.45
Step by Step Solution
- Step 1: Write the proportion equation
146,780,126.70 : 220,170,190.05 = 44,544,000.30 : x - Step 2: Convert to fraction form
146,780,126.70/220,170,190.05 = 44,544,000.30/x - Step 3: Cross multiply
146,780,126.70x = 220,170,190.05 × 44,544,000.30 - Step 4: Simplify right side
146,780,126.70x = 9,807,261,011,638,256 - Step 5: Solve for x
x = 9,807,261,011,638,256/146,780,126.70 - Step 6: Final answer
x = 66,816,000.45
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1.5x scale
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.