Finding the Fourth Proportional to 220,198,177.20, 330,286,768.20 and 74,617,460.40
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Solution
The fourth proportional to 220,198,177.20, 330,286,768.20 and 74,617,460.40 is: 111,922,633.33
Step by Step Solution
- Step 1: Write the proportion equation
220,198,177.20 : 330,286,768.20 = 74,617,460.40 : x - Step 2: Convert to fraction form
220,198,177.20/330,286,768.20 = 74,617,460.40/x - Step 3: Cross multiply
220,198,177.20x = 330,286,768.20 × 74,617,460.40 - Step 4: Simplify right side
220,198,177.20x = 24,645,159,846,807,480 - Step 5: Solve for x
x = 24,645,159,846,807,480/220,198,177.20 - Step 6: Final answer
x = 111,922,633.33
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.