Finding the Fourth Proportional to 85,644,020.26, 118,188,866.37 and 46,485,804.70
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Solution
The fourth proportional to 85,644,020.26, 118,188,866.37 and 46,485,804.70 is: 64,150,474.76
Step by Step Solution
- Step 1: Write the proportion equation
85,644,020.26 : 118,188,866.37 = 46,485,804.70 : x - Step 2: Convert to fraction form
85,644,020.26/118,188,866.37 = 46,485,804.70/x - Step 3: Cross multiply
85,644,020.26x = 118,188,866.37 × 46,485,804.70 - Step 4: Simplify right side
85,644,020.26x = 5,494,104,559,790,219 - Step 5: Solve for x
x = 5,494,104,559,790,219/85,644,020.26 - Step 6: Final answer
x = 64,150,474.76
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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.