Finding the Fourth Proportional to 239,576,768.08, 330,616,160.40 and 129,568,481.08
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Solution
The fourth proportional to 239,576,768.08, 330,616,160.40 and 129,568,481.08 is: 178,804,623.11
Step by Step Solution
- Step 1: Write the proportion equation
239,576,768.08 : 330,616,160.40 = 129,568,481.08 : x - Step 2: Convert to fraction form
239,576,768.08/330,616,160.40 = 129,568,481.08/x - Step 3: Cross multiply
239,576,768.08x = 330,616,160.40 × 129,568,481.08 - Step 4: Simplify right side
239,576,768.08x = 42,837,433,723,529,640 - Step 5: Solve for x
x = 42,837,433,723,529,640/239,576,768.08 - Step 6: Final answer
x = 178,804,623.11
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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.