Finding the Fourth Proportional to 235,219,922.30, 324,603,761.88 and 130,795,751.60
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Solution
The fourth proportional to 235,219,922.30, 324,603,761.88 and 130,795,751.60 is: 180,498,286.84
Step by Step Solution
- Step 1: Write the proportion equation
235,219,922.30 : 324,603,761.88 = 130,795,751.60 : x - Step 2: Convert to fraction form
235,219,922.30/324,603,761.88 = 130,795,751.60/x - Step 3: Cross multiply
235,219,922.30x = 324,603,761.88 × 130,795,751.60 - Step 4: Simplify right side
235,219,922.30x = 42,456,793,005,659,008 - Step 5: Solve for x
x = 42,456,793,005,659,008/235,219,922.30 - Step 6: Final answer
x = 180,498,286.84
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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.