Finding the Fourth Proportional to 238,840,358.40, 329,610,299.94 and 134,425,192.68
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Solution
The fourth proportional to 238,840,358.40, 329,610,299.94 and 134,425,192.68 is: 185,512,734.85
Step by Step Solution
- Step 1: Write the proportion equation
238,840,358.40 : 329,610,299.94 = 134,425,192.68 : x - Step 2: Convert to fraction form
238,840,358.40/329,610,299.94 = 134,425,192.68/x - Step 3: Cross multiply
238,840,358.40x = 329,610,299.94 × 134,425,192.68 - Step 4: Simplify right side
238,840,358.40x = 44,307,928,078,747,096 - Step 5: Solve for x
x = 44,307,928,078,747,096/238,840,358.40 - Step 6: Final answer
x = 185,512,734.85
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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.