Finding the Fourth Proportional to 84,217,745.30, 126,338,668.49 and 25,930,355.06
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Solution
The fourth proportional to 84,217,745.30, 126,338,668.49 and 25,930,355.06 is: 38,899,242.90
Step by Step Solution
- Step 1: Write the proportion equation
84,217,745.30 : 126,338,668.49 = 25,930,355.06 : x - Step 2: Convert to fraction form
84,217,745.30/126,338,668.49 = 25,930,355.06/x - Step 3: Cross multiply
84,217,745.30x = 126,338,668.49 × 25,930,355.06 - Step 4: Simplify right side
84,217,745.30x = 3,276,006,530,991,989 - Step 5: Solve for x
x = 3,276,006,530,991,989/84,217,745.30 - Step 6: Final answer
x = 38,899,242.90
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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.