Finding the Fourth Proportional to 132,881,862.40, 199,322,793.60 and 74,529,640.60
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Solution
The fourth proportional to 132,881,862.40, 199,322,793.60 and 74,529,640.60 is: 111,794,460.90
Step by Step Solution
- Step 1: Write the proportion equation
132,881,862.40 : 199,322,793.60 = 74,529,640.60 : x - Step 2: Convert to fraction form
132,881,862.40/199,322,793.60 = 74,529,640.60/x - Step 3: Cross multiply
132,881,862.40x = 199,322,793.60 × 74,529,640.60 - Step 4: Simplify right side
132,881,862.40x = 14,855,456,170,395,978 - Step 5: Solve for x
x = 14,855,456,170,395,978/132,881,862.40 - Step 6: Final answer
x = 111,794,460.90
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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.