Finding the Fourth Proportional to 269,821,276.11, 372,355,928.11 and 158,314,014.09
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Solution
The fourth proportional to 269,821,276.11, 372,355,928.11 and 158,314,014.09 is: 218,474,845.64
Step by Step Solution
- Step 1: Write the proportion equation
269,821,276.11 : 372,355,928.11 = 158,314,014.09 : x - Step 2: Convert to fraction form
269,821,276.11/372,355,928.11 = 158,314,014.09/x - Step 3: Cross multiply
269,821,276.11x = 372,355,928.11 × 158,314,014.09 - Step 4: Simplify right side
269,821,276.11x = 58,949,161,649,499,456 - Step 5: Solve for x
x = 58,949,161,649,499,456/269,821,276.11 - Step 6: Final answer
x = 218,474,845.64
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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.