Finding the Fourth Proportional to 80,965,921, 121,448,733.79 and 26,378,442.01
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Solution
The fourth proportional to 80,965,921, 121,448,733.79 and 26,378,442.01 is: 39,567,614.89
Step by Step Solution
- Step 1: Write the proportion equation
80,965,921 : 121,448,733.79 = 26,378,442.01 : x - Step 2: Convert to fraction form
80,965,921/121,448,733.79 = 26,378,442.01/x - Step 3: Cross multiply
80,965,921x = 121,448,733.79 × 26,378,442.01 - Step 4: Simplify right side
80,965,921x = 3,203,628,381,467,443 - Step 5: Solve for x
x = 3,203,628,381,467,443/80,965,921 - Step 6: Final answer
x = 39,567,614.89
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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.