Finding the Fourth Proportional to 146,752,324.20, 220,128,486.30 and 60,446,305.80
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Solution
The fourth proportional to 146,752,324.20, 220,128,486.30 and 60,446,305.80 is: 90,669,458.70
Step by Step Solution
- Step 1: Write the proportion equation
146,752,324.20 : 220,128,486.30 = 60,446,305.80 : x - Step 2: Convert to fraction form
146,752,324.20/220,128,486.30 = 60,446,305.80/x - Step 3: Cross multiply
146,752,324.20x = 220,128,486.30 × 60,446,305.80 - Step 4: Simplify right side
146,752,324.20x = 13,305,953,798,180,910 - Step 5: Solve for x
x = 13,305,953,798,180,910/146,752,324.20 - Step 6: Final answer
x = 90,669,458.70
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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.