Finding the Fourth Proportional to 165,888,122.70, 248,832,184.05 and 131,250,708.30
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Solution
The fourth proportional to 165,888,122.70, 248,832,184.05 and 131,250,708.30 is: 196,876,062.45
Step by Step Solution
- Step 1: Write the proportion equation
165,888,122.70 : 248,832,184.05 = 131,250,708.30 : x - Step 2: Convert to fraction form
165,888,122.70/248,832,184.05 = 131,250,708.30/x - Step 3: Cross multiply
165,888,122.70x = 248,832,184.05 × 131,250,708.30 - Step 4: Simplify right side
165,888,122.70x = 32,659,400,404,398,464 - Step 5: Solve for x
x = 32,659,400,404,398,464/165,888,122.70 - Step 6: Final answer
x = 196,876,062.45
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1.5x scale
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.