Finding the Fourth Proportional to 84,995,137.40, 127,492,706.10 and 27,493,221.20
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Solution
The fourth proportional to 84,995,137.40, 127,492,706.10 and 27,493,221.20 is: 41,239,831.80
Step by Step Solution
- Step 1: Write the proportion equation
84,995,137.40 : 127,492,706.10 = 27,493,221.20 : x - Step 2: Convert to fraction form
84,995,137.40/127,492,706.10 = 27,493,221.20/x - Step 3: Cross multiply
84,995,137.40x = 127,492,706.10 × 27,493,221.20 - Step 4: Simplify right side
84,995,137.40x = 3,505,185,170,193,889 - Step 5: Solve for x
x = 3,505,185,170,193,889/84,995,137.40 - Step 6: Final answer
x = 41,239,831.80
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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.