Finding the Fourth Proportional to 118,101,571.20, 177,152,356.80 and 54,276,163.20
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Solution
The fourth proportional to 118,101,571.20, 177,152,356.80 and 54,276,163.20 is: 81,414,244.80
Step by Step Solution
- Step 1: Write the proportion equation
118,101,571.20 : 177,152,356.80 = 54,276,163.20 : x - Step 2: Convert to fraction form
118,101,571.20/177,152,356.80 = 54,276,163.20/x - Step 3: Cross multiply
118,101,571.20x = 177,152,356.80 × 54,276,163.20 - Step 4: Simplify right side
118,101,571.20x = 9,615,150,228,941,430 - Step 5: Solve for x
x = 9,615,150,228,941,430/118,101,571.20 - Step 6: Final answer
x = 81,414,244.80
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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.