Finding the Fourth Proportional to 68,137,198.86, 94,028,856.11 and 37,197,368.14
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Solution
The fourth proportional to 68,137,198.86, 94,028,856.11 and 37,197,368.14 is: 51,332,106.92
Step by Step Solution
- Step 1: Write the proportion equation
68,137,198.86 : 94,028,856.11 = 37,197,368.14 : x - Step 2: Convert to fraction form
68,137,198.86/94,028,856.11 = 37,197,368.14/x - Step 3: Cross multiply
68,137,198.86x = 94,028,856.11 × 37,197,368.14 - Step 4: Simplify right side
68,137,198.86x = 3,497,625,976,822,969 - Step 5: Solve for x
x = 3,497,625,976,822,969/68,137,198.86 - Step 6: Final answer
x = 51,332,106.92
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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.