Finding the Fourth Proportional to 146,752,357.20, 220,128,535.80 and 60,446,338.80
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Solution
The fourth proportional to 146,752,357.20, 220,128,535.80 and 60,446,338.80 is: 90,669,508.20
Step by Step Solution
- Step 1: Write the proportion equation
146,752,357.20 : 220,128,535.80 = 60,446,338.80 : x - Step 2: Convert to fraction form
146,752,357.20/220,128,535.80 = 60,446,338.80/x - Step 3: Cross multiply
146,752,357.20x = 220,128,535.80 × 60,446,338.80 - Step 4: Simplify right side
146,752,357.20x = 13,305,964,054,514,730 - Step 5: Solve for x
x = 13,305,964,054,514,730/146,752,357.20 - Step 6: Final answer
x = 90,669,508.20
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1.5x scale
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.