Finding the Fourth Proportional to 126,027,512,424.18, 173,918,491,138.49 and 68,155,892,238.94
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Solution
The fourth proportional to 126,027,512,424.18, 173,918,491,138.49 and 68,155,892,238.94 is: 94,055,414,666.11
Step by Step Solution
- Step 1: Write the proportion equation
126,027,512,424.18 : 173,918,491,138.49 = 68,155,892,238.94 : x - Step 2: Convert to fraction form
126,027,512,424.18/173,918,491,138.49 = 68,155,892,238.94/x - Step 3: Cross multiply
126,027,512,424.18x = 173,918,491,138.49 × 68,155,892,238.94 - Step 4: Simplify right side
126,027,512,424.18x = 11,853,569,940,393,964,863,488 - Step 5: Solve for x
x = 11,853,569,940,393,964,863,488/126,027,512,424.18 - Step 6: Final answer
x = 94,055,414,666.11
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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.