Finding the Fourth Proportional to 91,139,067.26, 125,747,041.38 and 51,966,558.44
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Solution
The fourth proportional to 91,139,067.26, 125,747,041.38 and 51,966,558.44 is: 71,699,669.21
Step by Step Solution
- Step 1: Write the proportion equation
91,139,067.26 : 125,747,041.38 = 51,966,558.44 : x - Step 2: Convert to fraction form
91,139,067.26/125,747,041.38 = 51,966,558.44/x - Step 3: Cross multiply
91,139,067.26x = 125,747,041.38 × 51,966,558.44 - Step 4: Simplify right side
91,139,067.26x = 6,534,640,974,530,868 - Step 5: Solve for x
x = 6,534,640,974,530,868/91,139,067.26 - Step 6: Final answer
x = 71,699,669.21
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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.