Finding the Fourth Proportional to 86,923,375.36, 119,955,212.80 and 47,765,162.24
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Solution
The fourth proportional to 86,923,375.36, 119,955,212.80 and 47,765,162.24 is: 65,916,448.56
Step by Step Solution
- Step 1: Write the proportion equation
86,923,375.36 : 119,955,212.80 = 47,765,162.24 : x - Step 2: Convert to fraction form
86,923,375.36/119,955,212.80 = 47,765,162.24/x - Step 3: Cross multiply
86,923,375.36x = 119,955,212.80 × 47,765,162.24 - Step 4: Simplify right side
86,923,375.36x = 5,729,680,200,925,725 - Step 5: Solve for x
x = 5,729,680,200,925,725/86,923,375.36 - Step 6: Final answer
x = 65,916,448.56
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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.