Finding the Fourth Proportional to 68,361,836.68, 94,339,327.62 and 37,422,026.92
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Solution
The fourth proportional to 68,361,836.68, 94,339,327.62 and 37,422,026.92 is: 51,642,393.32
Step by Step Solution
- Step 1: Write the proportion equation
68,361,836.68 : 94,339,327.62 = 37,422,026.92 : x - Step 2: Convert to fraction form
68,361,836.68/94,339,327.62 = 37,422,026.92/x - Step 3: Cross multiply
68,361,836.68x = 94,339,327.62 × 37,422,026.92 - Step 4: Simplify right side
68,361,836.68x = 3,530,368,857,810,340 - Step 5: Solve for x
x = 3,530,368,857,810,340/68,361,836.68 - Step 6: Final answer
x = 51,642,393.32
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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.