Finding the Fourth Proportional to 200,084,760.64, 276,145,968.45 and 115,295,383.68
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Solution
The fourth proportional to 200,084,760.64, 276,145,968.45 and 115,295,383.68 is: 159,124,339.52
Step by Step Solution
- Step 1: Write the proportion equation
200,084,760.64 : 276,145,968.45 = 115,295,383.68 : x - Step 2: Convert to fraction form
200,084,760.64/276,145,968.45 = 115,295,383.68/x - Step 3: Cross multiply
200,084,760.64x = 276,145,968.45 × 115,295,383.68 - Step 4: Simplify right side
200,084,760.64x = 31,838,355,384,127,924 - Step 5: Solve for x
x = 31,838,355,384,127,924/200,084,760.64 - Step 6: Final answer
x = 159,124,339.52
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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.