Finding the Fourth Proportional to 181,631,954.97, 250,729,574.58 and 122,127,741.87
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Solution
The fourth proportional to 181,631,954.97, 250,729,574.58 and 122,127,741.87 is: 168,588,378.45
Step by Step Solution
- Step 1: Write the proportion equation
181,631,954.97 : 250,729,574.58 = 122,127,741.87 : x - Step 2: Convert to fraction form
181,631,954.97/250,729,574.58 = 122,127,741.87/x - Step 3: Cross multiply
181,631,954.97x = 250,729,574.58 × 122,127,741.87 - Step 4: Simplify right side
181,631,954.97x = 30,621,036,763,481,156 - Step 5: Solve for x
x = 30,621,036,763,481,156/181,631,954.97 - Step 6: Final answer
x = 168,588,378.45
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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.