Finding the Fourth Proportional to 202,990,297.38, 280,126,880.70 and 110,170,805.25
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Solution
The fourth proportional to 202,990,297.38, 280,126,880.70 and 110,170,805.25 is: 152,035,857.96
Step by Step Solution
- Step 1: Write the proportion equation
202,990,297.38 : 280,126,880.70 = 110,170,805.25 : x - Step 2: Convert to fraction form
202,990,297.38/280,126,880.70 = 110,170,805.25/x - Step 3: Cross multiply
202,990,297.38x = 280,126,880.70 × 110,170,805.25 - Step 4: Simplify right side
202,990,297.38x = 30,861,804,018,889,684 - Step 5: Solve for x
x = 30,861,804,018,889,684/202,990,297.38 - Step 6: Final answer
x = 152,035,857.96
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.