Finding the Fourth Proportional to 248,803,044.48, 343,416,490.74 and 144,414,745.62
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Solution
The fourth proportional to 248,803,044.48, 343,416,490.74 and 144,414,745.62 is: 199,331,986.69
Step by Step Solution
- Step 1: Write the proportion equation
248,803,044.48 : 343,416,490.74 = 144,414,745.62 : x - Step 2: Convert to fraction form
248,803,044.48/343,416,490.74 = 144,414,745.62/x - Step 3: Cross multiply
248,803,044.48x = 343,416,490.74 × 144,414,745.62 - Step 4: Simplify right side
248,803,044.48x = 49,594,405,151,930,192 - Step 5: Solve for x
x = 49,594,405,151,930,192/248,803,044.48 - Step 6: Final answer
x = 199,331,986.69
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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.