Finding the Fourth Proportional to 188,135,925.12, 259,618,801.68 and 104,509,476
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Solution
The fourth proportional to 188,135,925.12, 259,618,801.68 and 104,509,476 is: 144,218,202.38
Step by Step Solution
- Step 1: Write the proportion equation
188,135,925.12 : 259,618,801.68 = 104,509,476 : x - Step 2: Convert to fraction form
188,135,925.12/259,618,801.68 = 104,509,476/x - Step 3: Cross multiply
188,135,925.12x = 259,618,801.68 × 104,509,476 - Step 4: Simplify right side
188,135,925.12x = 27,132,624,923,324,720 - Step 5: Solve for x
x = 27,132,624,923,324,720/188,135,925.12 - Step 6: Final answer
x = 144,218,202.38
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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.