Finding the Fourth Proportional to 61,163,969.40, 84,403,229.58 and 33,661,190.52
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Solution
The fourth proportional to 61,163,969.40, 84,403,229.58 and 33,661,190.52 is: 46,450,765.37
Step by Step Solution
- Step 1: Write the proportion equation
61,163,969.40 : 84,403,229.58 = 33,661,190.52 : x - Step 2: Convert to fraction form
61,163,969.40/84,403,229.58 = 33,661,190.52/x - Step 3: Cross multiply
61,163,969.40x = 84,403,229.58 × 33,661,190.52 - Step 4: Simplify right side
61,163,969.40x = 2,841,113,191,395,680 - Step 5: Solve for x
x = 2,841,113,191,395,680/61,163,969.40 - Step 6: Final answer
x = 46,450,765.37
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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.