Finding the Fourth Proportional to 276,640,566.33, 381,764,353.55 and 159,163,540.38
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Solution
The fourth proportional to 276,640,566.33, 381,764,353.55 and 159,163,540.38 is: 219,645,899.76
Step by Step Solution
- Step 1: Write the proportion equation
276,640,566.33 : 381,764,353.55 = 159,163,540.38 : x - Step 2: Convert to fraction form
276,640,566.33/381,764,353.55 = 159,163,540.38/x - Step 3: Cross multiply
276,640,566.33x = 381,764,353.55 × 159,163,540.38 - Step 4: Simplify right side
276,640,566.33x = 60,762,966,101,104,208 - Step 5: Solve for x
x = 60,762,966,101,104,208/276,640,566.33 - Step 6: Final answer
x = 219,645,899.76
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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.