Finding the Fourth Proportional to 68,273,112.24, 102,392,620.20 and 26,782,421.40
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Solution
The fourth proportional to 68,273,112.24, 102,392,620.20 and 26,782,421.40 is: 40,166,944.39
Step by Step Solution
- Step 1: Write the proportion equation
68,273,112.24 : 102,392,620.20 = 26,782,421.40 : x - Step 2: Convert to fraction form
68,273,112.24/102,392,620.20 = 26,782,421.40/x - Step 3: Cross multiply
68,273,112.24x = 102,392,620.20 × 26,782,421.40 - Step 4: Simplify right side
68,273,112.24x = 2,742,322,302,446,552 - Step 5: Solve for x
x = 2,742,322,302,446,552/68,273,112.24 - Step 6: Final answer
x = 40,166,944.39
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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.