Finding the Fourth Proportional to 75,694,635.75, 104,458,639.31 and 40,887,326.39
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Solution
The fourth proportional to 75,694,635.75, 104,458,639.31 and 40,887,326.39 is: 56,424,533.09
Step by Step Solution
- Step 1: Write the proportion equation
75,694,635.75 : 104,458,639.31 = 40,887,326.39 : x - Step 2: Convert to fraction form
75,694,635.75/104,458,639.31 = 40,887,326.39/x - Step 3: Cross multiply
75,694,635.75x = 104,458,639.31 × 40,887,326.39 - Step 4: Simplify right side
75,694,635.75x = 4,271,034,479,303,179.50 - Step 5: Solve for x
x = 4,271,034,479,303,179.50/75,694,635.75 - Step 6: Final answer
x = 56,424,533.09
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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.