Finding the Fourth Proportional to 282,297,852.40, 422,879,908.20 and 160,987,586.80
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Solution
The fourth proportional to 282,297,852.40, 422,879,908.20 and 160,987,586.80 is: 241,158,107.82
Step by Step Solution
- Step 1: Write the proportion equation
282,297,852.40 : 422,879,908.20 = 160,987,586.80 : x - Step 2: Convert to fraction form
282,297,852.40/422,879,908.20 = 160,987,586.80/x - Step 3: Cross multiply
282,297,852.40x = 422,879,908.20 × 160,987,586.80 - Step 4: Simplify right side
282,297,852.40x = 68,078,415,927,323,536 - Step 5: Solve for x
x = 68,078,415,927,323,536/282,297,852.40 - Step 6: Final answer
x = 241,158,107.82
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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.