Finding the Fourth Proportional to 227,138,284.05, 313,451,053.75 and 122,716,438.41
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Solution
The fourth proportional to 227,138,284.05, 313,451,053.75 and 122,716,438.41 is: 169,348,804.81
Step by Step Solution
- Step 1: Write the proportion equation
227,138,284.05 : 313,451,053.75 = 122,716,438.41 : x - Step 2: Convert to fraction form
227,138,284.05/313,451,053.75 = 122,716,438.41/x - Step 3: Cross multiply
227,138,284.05x = 313,451,053.75 × 122,716,438.41 - Step 4: Simplify right side
227,138,284.05x = 38,465,596,930,935,920 - Step 5: Solve for x
x = 38,465,596,930,935,920/227,138,284.05 - Step 6: Final answer
x = 169,348,804.81
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.