Finding the Fourth Proportional to 136,955,059.99, 188,977,804.10 and 83,282,340.22
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Solution
The fourth proportional to 136,955,059.99, 188,977,804.10 and 83,282,340.22 is: 114,917,358.85
Step by Step Solution
- Step 1: Write the proportion equation
136,955,059.99 : 188,977,804.10 = 83,282,340.22 : x - Step 2: Convert to fraction form
136,955,059.99/188,977,804.10 = 83,282,340.22/x - Step 3: Cross multiply
136,955,059.99x = 188,977,804.10 × 83,282,340.22 - Step 4: Simplify right side
136,955,059.99x = 15,738,513,775,084,710 - Step 5: Solve for x
x = 15,738,513,775,084,710/136,955,059.99 - Step 6: Final answer
x = 114,917,358.85
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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.