Finding the Fourth Proportional to 172,644,124.36, 238,246,073.40 and 94,325,992.24
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Solution
The fourth proportional to 172,644,124.36, 238,246,073.40 and 94,325,992.24 is: 130,168,329.53
Step by Step Solution
- Step 1: Write the proportion equation
172,644,124.36 : 238,246,073.40 = 94,325,992.24 : x - Step 2: Convert to fraction form
172,644,124.36/238,246,073.40 = 94,325,992.24/x - Step 3: Cross multiply
172,644,124.36x = 238,246,073.40 × 94,325,992.24 - Step 4: Simplify right side
172,644,124.36x = 22,472,797,270,738,868 - Step 5: Solve for x
x = 22,472,797,270,738,868/172,644,124.36 - Step 6: Final answer
x = 130,168,329.53
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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.