Finding the Fourth Proportional to 83,491,550.73, 125,241,262.70 and 68,891,390.24
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Solution
The fourth proportional to 83,491,550.73, 125,241,262.70 and 68,891,390.24 is: 103,340,333.56
Step by Step Solution
- Step 1: Write the proportion equation
83,491,550.73 : 125,241,262.70 = 68,891,390.24 : x - Step 2: Convert to fraction form
83,491,550.73/125,241,262.70 = 68,891,390.24/x - Step 3: Cross multiply
83,491,550.73x = 125,241,262.70 × 68,891,390.24 - Step 4: Simplify right side
83,491,550.73x = 8,628,044,701,845,392 - Step 5: Solve for x
x = 8,628,044,701,845,392/83,491,550.73 - Step 6: Final answer
x = 103,340,333.56
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.