Finding the Fourth Proportional to 247,728,343.14, 341,870,733.36 and 136,225,378.26
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Solution
The fourth proportional to 247,728,343.14, 341,870,733.36 and 136,225,378.26 is: 187,994,112.33
Step by Step Solution
- Step 1: Write the proportion equation
247,728,343.14 : 341,870,733.36 = 136,225,378.26 : x - Step 2: Convert to fraction form
247,728,343.14/341,870,733.36 = 136,225,378.26/x - Step 3: Cross multiply
247,728,343.14x = 341,870,733.36 × 136,225,378.26 - Step 4: Simplify right side
247,728,343.14x = 46,571,469,967,989,600 - Step 5: Solve for x
x = 46,571,469,967,989,600/247,728,343.14 - Step 6: Final answer
x = 187,994,112.33
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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.