Finding the Fourth Proportional to 75,765,180.26, 104,584,381.29 and 49,661,379.62
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Solution
The fourth proportional to 75,765,180.26, 104,584,381.29 and 49,661,379.62 is: 68,551,340.39
Step by Step Solution
- Step 1: Write the proportion equation
75,765,180.26 : 104,584,381.29 = 49,661,379.62 : x - Step 2: Convert to fraction form
75,765,180.26/104,584,381.29 = 49,661,379.62/x - Step 3: Cross multiply
75,765,180.26x = 104,584,381.29 × 49,661,379.62 - Step 4: Simplify right side
75,765,180.26x = 5,193,804,661,565,515 - Step 5: Solve for x
x = 5,193,804,661,565,515/75,765,180.26 - Step 6: Final answer
x = 68,551,340.39
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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.