Finding the Fourth Proportional to 201,204,029.80, 301,806,044.70 and 191,638,091.80
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Solution
The fourth proportional to 201,204,029.80, 301,806,044.70 and 191,638,091.80 is: 287,457,137.70
Step by Step Solution
- Step 1: Write the proportion equation
201,204,029.80 : 301,806,044.70 = 191,638,091.80 : x - Step 2: Convert to fraction form
201,204,029.80/301,806,044.70 = 191,638,091.80/x - Step 3: Cross multiply
201,204,029.80x = 301,806,044.70 × 191,638,091.80 - Step 4: Simplify right side
201,204,029.80x = 57,837,534,500,013,504 - Step 5: Solve for x
x = 57,837,534,500,013,504/201,204,029.80 - Step 6: Final answer
x = 287,457,137.70
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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.