Finding the Fourth Proportional to 136,257,905.30, 204,386,857.95 and 136,257,905.30
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Solution
The fourth proportional to 136,257,905.30, 204,386,857.95 and 136,257,905.30 is: 204,386,857.95
Step by Step Solution
- Step 1: Write the proportion equation
136,257,905.30 : 204,386,857.95 = 136,257,905.30 : x - Step 2: Convert to fraction form
136,257,905.30/204,386,857.95 = 136,257,905.30/x - Step 3: Cross multiply
136,257,905.30x = 204,386,857.95 × 136,257,905.30 - Step 4: Simplify right side
136,257,905.30x = 27,849,325,135,115,652 - Step 5: Solve for x
x = 27,849,325,135,115,652/136,257,905.30 - Step 6: Final answer
x = 204,386,857.95
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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.