Finding the Fourth Proportional to 180,505,441.44, 249,331,172.09 and 149,269,660.38
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Solution
The fourth proportional to 180,505,441.44, 249,331,172.09 and 149,269,660.38 is: 206,185,359.75
Step by Step Solution
- Step 1: Write the proportion equation
180,505,441.44 : 249,331,172.09 = 149,269,660.38 : x - Step 2: Convert to fraction form
180,505,441.44/249,331,172.09 = 149,269,660.38/x - Step 3: Cross multiply
180,505,441.44x = 249,331,172.09 × 149,269,660.38 - Step 4: Simplify right side
180,505,441.44x = 37,217,579,379,275,288 - Step 5: Solve for x
x = 37,217,579,379,275,288/180,505,441.44 - Step 6: Final answer
x = 206,185,359.75
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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.