Finding the Fourth Proportional to 200,084,765.14, 276,145,974.66 and 115,295,388.18
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Solution
The fourth proportional to 200,084,765.14, 276,145,974.66 and 115,295,388.18 is: 159,124,345.73
Step by Step Solution
- Step 1: Write the proportion equation
200,084,765.14 : 276,145,974.66 = 115,295,388.18 : x - Step 2: Convert to fraction form
200,084,765.14/276,145,974.66 = 115,295,388.18/x - Step 3: Cross multiply
200,084,765.14x = 276,145,974.66 × 115,295,388.18 - Step 4: Simplify right side
200,084,765.14x = 31,838,357,342,769,148 - Step 5: Solve for x
x = 31,838,357,342,769,148/200,084,765.14 - Step 6: Final answer
x = 159,124,345.73
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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.