Finding the Fourth Proportional to 129,480,715.20, 194,221,072.80 and 33,742,603.20
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Solution
The fourth proportional to 129,480,715.20, 194,221,072.80 and 33,742,603.20 is: 50,613,904.80
Step by Step Solution
- Step 1: Write the proportion equation
129,480,715.20 : 194,221,072.80 = 33,742,603.20 : x - Step 2: Convert to fraction form
129,480,715.20/194,221,072.80 = 33,742,603.20/x - Step 3: Cross multiply
129,480,715.20x = 194,221,072.80 × 33,742,603.20 - Step 4: Simplify right side
129,480,715.20x = 6,553,524,592,568,714 - Step 5: Solve for x
x = 6,553,524,592,568,714/129,480,715.20 - Step 6: Final answer
x = 50,613,904.80
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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.