Finding the Fourth Proportional to 126,212,519.58, 189,325,668.42 and 39,944,489.37
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Solution
The fourth proportional to 126,212,519.58, 189,325,668.42 and 39,944,489.37 is: 59,918,914.34
Step by Step Solution
- Step 1: Write the proportion equation
126,212,519.58 : 189,325,668.42 = 39,944,489.37 : x - Step 2: Convert to fraction form
126,212,519.58/189,325,668.42 = 39,944,489.37/x - Step 3: Cross multiply
126,212,519.58x = 189,325,668.42 × 39,944,489.37 - Step 4: Simplify right side
126,212,519.58x = 7,562,517,148,960,863 - Step 5: Solve for x
x = 7,562,517,148,960,863/126,212,519.58 - Step 6: Final answer
x = 59,918,914.34
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.