Finding the Fourth Proportional to 282,100,688.36, 422,957,853.98 and 143,658,310.44
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Solution
The fourth proportional to 282,100,688.36, 422,957,853.98 and 143,658,310.44 is: 215,389,090.48
Step by Step Solution
- Step 1: Write the proportion equation
282,100,688.36 : 422,957,853.98 = 143,658,310.44 : x - Step 2: Convert to fraction form
282,100,688.36/422,957,853.98 = 143,658,310.44/x - Step 3: Cross multiply
282,100,688.36x = 422,957,853.98 × 143,658,310.44 - Step 4: Simplify right side
282,100,688.36x = 60,761,410,690,095,032 - Step 5: Solve for x
x = 60,761,410,690,095,032/282,100,688.36 - Step 6: Final answer
x = 215,389,090.48
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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.