Finding the Fourth Proportional to 122,349,642.70, 183,524,464.05 and 73,976,701.90
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Solution
The fourth proportional to 122,349,642.70, 183,524,464.05 and 73,976,701.90 is: 110,965,052.85
Step by Step Solution
- Step 1: Write the proportion equation
122,349,642.70 : 183,524,464.05 = 73,976,701.90 : x - Step 2: Convert to fraction form
122,349,642.70/183,524,464.05 = 73,976,701.90/x - Step 3: Cross multiply
122,349,642.70x = 183,524,464.05 × 73,976,701.90 - Step 4: Simplify right side
122,349,642.70x = 13,576,534,568,384,118 - Step 5: Solve for x
x = 13,576,534,568,384,118/122,349,642.70 - Step 6: Final answer
x = 110,965,052.85
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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.