Finding the Fourth Proportional to 146,780,108.70, 220,170,163.05 and 44,543,982.30
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Solution
The fourth proportional to 146,780,108.70, 220,170,163.05 and 44,543,982.30 is: 66,815,973.45
Step by Step Solution
- Step 1: Write the proportion equation
146,780,108.70 : 220,170,163.05 = 44,543,982.30 : x - Step 2: Convert to fraction form
146,780,108.70/220,170,163.05 = 44,543,982.30/x - Step 3: Cross multiply
146,780,108.70x = 220,170,163.05 × 44,543,982.30 - Step 4: Simplify right side
146,780,108.70x = 9,807,255,845,887,314 - Step 5: Solve for x
x = 9,807,255,845,887,314/146,780,108.70 - Step 6: Final answer
x = 66,815,973.45
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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.