Finding the Fourth Proportional to 122,477,610.40, 183,716,415.60 and 45,790,674.10
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Solution
The fourth proportional to 122,477,610.40, 183,716,415.60 and 45,790,674.10 is: 68,686,011.15
Step by Step Solution
- Step 1: Write the proportion equation
122,477,610.40 : 183,716,415.60 = 45,790,674.10 : x - Step 2: Convert to fraction form
122,477,610.40/183,716,415.60 = 45,790,674.10/x - Step 3: Cross multiply
122,477,610.40x = 183,716,415.60 × 45,790,674.10 - Step 4: Simplify right side
122,477,610.40x = 8,412,498,513,559,756 - Step 5: Solve for x
x = 8,412,498,513,559,756/122,477,610.40 - Step 6: Final answer
x = 68,686,011.15
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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.