Finding the Fourth Proportional to 146,779,752.20, 220,169,628.30 and 44,543,625.80
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Solution
The fourth proportional to 146,779,752.20, 220,169,628.30 and 44,543,625.80 is: 66,815,438.70
Step by Step Solution
- Step 1: Write the proportion equation
146,779,752.20 : 220,169,628.30 = 44,543,625.80 : x - Step 2: Convert to fraction form
146,779,752.20/220,169,628.30 = 44,543,625.80/x - Step 3: Cross multiply
146,779,752.20x = 220,169,628.30 × 44,543,625.80 - Step 4: Simplify right side
146,779,752.20x = 9,807,153,535,520,290 - Step 5: Solve for x
x = 9,807,153,535,520,290/146,779,752.20 - Step 6: Final answer
x = 66,815,438.70
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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.