Finding the Fourth Proportional to 49,174,519.28, 67,869,718.44 and 29,329,556.24
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Solution
The fourth proportional to 49,174,519.28, 67,869,718.44 and 29,329,556.24 is: 40,480,085.08
Step by Step Solution
- Step 1: Write the proportion equation
49,174,519.28 : 67,869,718.44 = 29,329,556.24 : x - Step 2: Convert to fraction form
49,174,519.28/67,869,718.44 = 29,329,556.24/x - Step 3: Cross multiply
49,174,519.28x = 67,869,718.44 × 29,329,556.24 - Step 4: Simplify right side
49,174,519.28x = 1,990,588,723,978,945 - Step 5: Solve for x
x = 1,990,588,723,978,945/49,174,519.28 - Step 6: Final answer
x = 40,480,085.08
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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.