Finding the Fourth Proportional to 84,613,481.44, 116,723,630.70 and 55,261,995.01
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Solution
The fourth proportional to 84,613,481.44, 116,723,630.70 and 55,261,995.01 is: 76,233,486.53
Step by Step Solution
- Step 1: Write the proportion equation
84,613,481.44 : 116,723,630.70 = 55,261,995.01 : x - Step 2: Convert to fraction form
84,613,481.44/116,723,630.70 = 55,261,995.01/x - Step 3: Cross multiply
84,613,481.44x = 116,723,630.70 × 55,261,995.01 - Step 4: Simplify right side
84,613,481.44x = 6,450,380,697,292,483 - Step 5: Solve for x
x = 6,450,380,697,292,483/84,613,481.44 - Step 6: Final answer
x = 76,233,486.53
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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.