Finding the Fourth Proportional to 68,361,837.68, 94,339,329 and 37,422,027.92
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Solution
The fourth proportional to 68,361,837.68, 94,339,329 and 37,422,027.92 is: 51,642,394.70
Step by Step Solution
- Step 1: Write the proportion equation
68,361,837.68 : 94,339,329 = 37,422,027.92 : x - Step 2: Convert to fraction form
68,361,837.68/94,339,329 = 37,422,027.92/x - Step 3: Cross multiply
68,361,837.68x = 94,339,329 × 37,422,027.92 - Step 4: Simplify right side
68,361,837.68x = 3,530,369,003,792,066 - Step 5: Solve for x
x = 3,530,369,003,792,066/68,361,837.68 - Step 6: Final answer
x = 51,642,394.70
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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.