Finding the Fourth Proportional to 163,888,291.81, 246,007,439.58 and 70,561,481.09
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Solution
The fourth proportional to 163,888,291.81, 246,007,439.58 and 70,561,481.09 is: 105,917,568.02
Step by Step Solution
- Step 1: Write the proportion equation
163,888,291.81 : 246,007,439.58 = 70,561,481.09 : x - Step 2: Convert to fraction form
163,888,291.81/246,007,439.58 = 70,561,481.09/x - Step 3: Cross multiply
163,888,291.81x = 246,007,439.58 × 70,561,481.09 - Step 4: Simplify right side
163,888,291.81x = 17,358,649,295,570,680 - Step 5: Solve for x
x = 17,358,649,295,570,680/163,888,291.81 - Step 6: Final answer
x = 105,917,568.02
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.