Finding the Fourth Proportional to 201,204,003.80, 301,806,005.70 and 115,110,561.80
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Solution
The fourth proportional to 201,204,003.80, 301,806,005.70 and 115,110,561.80 is: 172,665,842.70
Step by Step Solution
- Step 1: Write the proportion equation
201,204,003.80 : 301,806,005.70 = 115,110,561.80 : x - Step 2: Convert to fraction form
201,204,003.80/301,806,005.70 = 115,110,561.80/x - Step 3: Cross multiply
201,204,003.80x = 301,806,005.70 × 115,110,561.80 - Step 4: Simplify right side
201,204,003.80x = 34,741,058,870,741,000 - Step 5: Solve for x
x = 34,741,058,870,741,000/201,204,003.80 - Step 6: Final answer
x = 172,665,842.70
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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.