Finding the Fourth Proportional to 216,964,348.99, 299,414,745.97 and 122,898,026.57
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Solution
The fourth proportional to 216,964,348.99, 299,414,745.97 and 122,898,026.57 is: 169,601,510.92
Step by Step Solution
- Step 1: Write the proportion equation
216,964,348.99 : 299,414,745.97 = 122,898,026.57 : x - Step 2: Convert to fraction form
216,964,348.99/299,414,745.97 = 122,898,026.57/x - Step 3: Cross multiply
216,964,348.99x = 299,414,745.97 × 122,898,026.57 - Step 4: Simplify right side
216,964,348.99x = 36,797,481,403,866,536 - Step 5: Solve for x
x = 36,797,481,403,866,536/216,964,348.99 - Step 6: Final answer
x = 169,601,510.92
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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.