Finding the Fourth Proportional to 146,778,896.20, 220,168,344.30 and 44,542,769.80
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Solution
The fourth proportional to 146,778,896.20, 220,168,344.30 and 44,542,769.80 is: 66,814,154.70
Step by Step Solution
- Step 1: Write the proportion equation
146,778,896.20 : 220,168,344.30 = 44,542,769.80 : x - Step 2: Convert to fraction form
146,778,896.20/220,168,344.30 = 44,542,769.80/x - Step 3: Cross multiply
146,778,896.20x = 220,168,344.30 × 44,542,769.80 - Step 4: Simplify right side
146,778,896.20x = 9,806,907,877,402,042 - Step 5: Solve for x
x = 9,806,907,877,402,042/146,778,896.20 - Step 6: Final answer
x = 66,814,154.70
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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.