Finding the Fourth Proportional to 146,779,910.20, 220,169,865.30 and 44,543,783.80
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Solution
The fourth proportional to 146,779,910.20, 220,169,865.30 and 44,543,783.80 is: 66,815,675.70
Step by Step Solution
- Step 1: Write the proportion equation
146,779,910.20 : 220,169,865.30 = 44,543,783.80 : x - Step 2: Convert to fraction form
146,779,910.20/220,169,865.30 = 44,543,783.80/x - Step 3: Cross multiply
146,779,910.20x = 220,169,865.30 × 44,543,783.80 - Step 4: Simplify right side
146,779,910.20x = 9,807,198,879,198,322 - Step 5: Solve for x
x = 9,807,198,879,198,322/146,779,910.20 - Step 6: Final answer
x = 66,815,675.70
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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.