Finding the Fourth Proportional to 126,464,396.70, 174,467,427.37 and 84,661,930.11
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Solution
The fourth proportional to 126,464,396.70, 174,467,427.37 and 84,661,930.11 is: 116,797,687.95
Step by Step Solution
- Step 1: Write the proportion equation
126,464,396.70 : 174,467,427.37 = 84,661,930.11 : x - Step 2: Convert to fraction form
126,464,396.70/174,467,427.37 = 84,661,930.11/x - Step 3: Cross multiply
126,464,396.70x = 174,467,427.37 × 84,661,930.11 - Step 4: Simplify right side
126,464,396.70x = 14,770,749,142,470,442 - Step 5: Solve for x
x = 14,770,749,142,470,442/126,464,396.70 - Step 6: Final answer
x = 116,797,687.95
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.