Finding the Fourth Proportional to 84,263,221.44, 116,277,372.18 and 47,586,706.56
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Solution
The fourth proportional to 84,263,221.44, 116,277,372.18 and 47,586,706.56 is: 65,666,338.11
Step by Step Solution
- Step 1: Write the proportion equation
84,263,221.44 : 116,277,372.18 = 47,586,706.56 : x - Step 2: Convert to fraction form
84,263,221.44/116,277,372.18 = 47,586,706.56/x - Step 3: Cross multiply
84,263,221.44x = 116,277,372.18 × 47,586,706.56 - Step 4: Simplify right side
84,263,221.44x = 5,533,257,189,497,568 - Step 5: Solve for x
x = 5,533,257,189,497,568/84,263,221.44 - Step 6: Final answer
x = 65,666,338.11
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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.