Finding the Fourth Proportional to 46,025,518.28, 69,133,936.79 and 36,507,409.97
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Solution
The fourth proportional to 46,025,518.28, 69,133,936.79 and 36,507,409.97 is: 54,836,991.90
Step by Step Solution
- Step 1: Write the proportion equation
46,025,518.28 : 69,133,936.79 = 36,507,409.97 : x - Step 2: Convert to fraction form
46,025,518.28/69,133,936.79 = 36,507,409.97/x - Step 3: Cross multiply
46,025,518.28x = 69,133,936.79 × 36,507,409.97 - Step 4: Simplify right side
46,025,518.28x = 2,523,900,972,978,195 - Step 5: Solve for x
x = 2,523,900,972,978,195/46,025,518.28 - Step 6: Final answer
x = 54,836,991.90
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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.