Finding the Fourth Proportional to 185,413,935.26, 255,884,163.37 and 122,580,866.21
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Solution
The fourth proportional to 185,413,935.26, 255,884,163.37 and 122,580,866.21 is: 169,170,145.43
Step by Step Solution
- Step 1: Write the proportion equation
185,413,935.26 : 255,884,163.37 = 122,580,866.21 : x - Step 2: Convert to fraction form
185,413,935.26/255,884,163.37 = 122,580,866.21/x - Step 3: Cross multiply
185,413,935.26x = 255,884,163.37 × 122,580,866.21 - Step 4: Simplify right side
185,413,935.26x = 31,366,502,393,729,880 - Step 5: Solve for x
x = 31,366,502,393,729,880/185,413,935.26 - Step 6: Final answer
x = 169,170,145.43
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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.