Finding the Fourth Proportional to 91,294,945.44, 136,942,409.84 and 40,176,964.24
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Solution
The fourth proportional to 91,294,945.44, 136,942,409.84 and 40,176,964.24 is: 60,265,442.70
Step by Step Solution
- Step 1: Write the proportion equation
91,294,945.44 : 136,942,409.84 = 40,176,964.24 : x - Step 2: Convert to fraction form
91,294,945.44/136,942,409.84 = 40,176,964.24/x - Step 3: Cross multiply
91,294,945.44x = 136,942,409.84 × 40,176,964.24 - Step 4: Simplify right side
91,294,945.44x = 5,501,930,303,081,105 - Step 5: Solve for x
x = 5,501,930,303,081,105/91,294,945.44 - Step 6: Final answer
x = 60,265,442.70
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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.