Finding the Fourth Proportional to 188,952,998.41, 260,866,991.47 and 167,987,121.69
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Solution
The fourth proportional to 188,952,998.41, 260,866,991.47 and 167,987,121.69 is: 231,921,670.52
Step by Step Solution
- Step 1: Write the proportion equation
188,952,998.41 : 260,866,991.47 = 167,987,121.69 : x - Step 2: Convert to fraction form
188,952,998.41/260,866,991.47 = 167,987,121.69/x - Step 3: Cross multiply
188,952,998.41x = 260,866,991.47 × 167,987,121.69 - Step 4: Simplify right side
188,952,998.41x = 43,822,295,040,870,928 - Step 5: Solve for x
x = 43,822,295,040,870,928/188,952,998.41 - Step 6: Final answer
x = 231,921,670.52
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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.