Finding the Fourth Proportional to 195,511,048.05, 269,808,009.77 and 107,413,187.75
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Solution
The fourth proportional to 195,511,048.05, 269,808,009.77 and 107,413,187.75 is: 148,231,717.33
Step by Step Solution
- Step 1: Write the proportion equation
195,511,048.05 : 269,808,009.77 = 107,413,187.75 : x - Step 2: Convert to fraction form
195,511,048.05/269,808,009.77 = 107,413,187.75/x - Step 3: Cross multiply
195,511,048.05x = 269,808,009.77 × 107,413,187.75 - Step 4: Simplify right side
195,511,048.05x = 28,980,938,408,798,336 - Step 5: Solve for x
x = 28,980,938,408,798,336/195,511,048.05 - Step 6: Final answer
x = 148,231,717.33
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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.