Finding the Fourth Proportional to 168,415,885.26, 252,363,434.76 and 131,440,102.92
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Solution
The fourth proportional to 168,415,885.26, 252,363,434.76 and 131,440,102.92 is: 196,956,930.68
Step by Step Solution
- Step 1: Write the proportion equation
168,415,885.26 : 252,363,434.76 = 131,440,102.92 : x - Step 2: Convert to fraction form
168,415,885.26/252,363,434.76 = 131,440,102.92/x - Step 3: Cross multiply
168,415,885.26x = 252,363,434.76 × 131,440,102.92 - Step 4: Simplify right side
168,415,885.26x = 33,170,675,838,099,104 - Step 5: Solve for x
x = 33,170,675,838,099,104/168,415,885.26 - Step 6: Final answer
x = 196,956,930.68
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.