Finding the Fourth Proportional to 136,084,598.70, 204,126,898.05 and 122,054,556.30
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Solution
The fourth proportional to 136,084,598.70, 204,126,898.05 and 122,054,556.30 is: 183,081,834.45
Step by Step Solution
- Step 1: Write the proportion equation
136,084,598.70 : 204,126,898.05 = 122,054,556.30 : x - Step 2: Convert to fraction form
136,084,598.70/204,126,898.05 = 122,054,556.30/x - Step 3: Cross multiply
136,084,598.70x = 204,126,898.05 × 122,054,556.30 - Step 4: Simplify right side
136,084,598.70x = 24,914,617,970,388,088 - Step 5: Solve for x
x = 24,914,617,970,388,088/136,084,598.70 - Step 6: Final answer
x = 183,081,834.45
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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.