Finding the Fourth Proportional to 75,765,179.26, 104,584,379.91 and 49,661,378.62
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Solution
The fourth proportional to 75,765,179.26, 104,584,379.91 and 49,661,378.62 is: 68,551,339.01
Step by Step Solution
- Step 1: Write the proportion equation
75,765,179.26 : 104,584,379.91 = 49,661,378.62 : x - Step 2: Convert to fraction form
75,765,179.26/104,584,379.91 = 49,661,378.62/x - Step 3: Cross multiply
75,765,179.26x = 104,584,379.91 × 49,661,378.62 - Step 4: Simplify right side
75,765,179.26x = 5,193,804,488,448,431 - Step 5: Solve for x
x = 5,193,804,488,448,431/75,765,179.26 - Step 6: Final answer
x = 68,551,339.01
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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.