Finding the Fourth Proportional to 132,617,126,768.64, 199,028,846,196.24 and 92,562,691,207.68
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Solution
The fourth proportional to 132,617,126,768.64, 199,028,846,196.24 and 92,562,691,207.68 is: 138,916,036,569.12
Step by Step Solution
- Step 1: Write the proportion equation
132,617,126,768.64 : 199,028,846,196.24 = 92,562,691,207.68 : x - Step 2: Convert to fraction form
132,617,126,768.64/199,028,846,196.24 = 92,562,691,207.68/x - Step 3: Cross multiply
132,617,126,768.64x = 199,028,846,196.24 × 92,562,691,207.68 - Step 4: Simplify right side
132,617,126,768.64x = 18,422,645,631,883,396,775,936 - Step 5: Solve for x
x = 18,422,645,631,883,396,775,936/132,617,126,768.64 - Step 6: Final answer
x = 138,916,036,569.12
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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.