Finding the Fourth Proportional to 195,177,786.58, 269,343,751.29 and 105,869,507.19
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Solution
The fourth proportional to 195,177,786.58, 269,343,751.29 and 105,869,507.19 is: 146,099,055.19
Step by Step Solution
- Step 1: Write the proportion equation
195,177,786.58 : 269,343,751.29 = 105,869,507.19 : x - Step 2: Convert to fraction form
195,177,786.58/269,343,751.29 = 105,869,507.19/x - Step 3: Cross multiply
195,177,786.58x = 269,343,751.29 × 105,869,507.19 - Step 4: Simplify right side
195,177,786.58x = 28,515,290,213,778,228 - Step 5: Solve for x
x = 28,515,290,213,778,228/195,177,786.58 - Step 6: Final answer
x = 146,099,055.19
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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.