Finding the Fourth Proportional to 327,408,093.80, 491,112,140.70 and 163,671,121.70
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Solution
The fourth proportional to 327,408,093.80, 491,112,140.70 and 163,671,121.70 is: 245,506,682.55
Step by Step Solution
- Step 1: Write the proportion equation
327,408,093.80 : 491,112,140.70 = 163,671,121.70 : x - Step 2: Convert to fraction form
327,408,093.80/491,112,140.70 = 163,671,121.70/x - Step 3: Cross multiply
327,408,093.80x = 491,112,140.70 × 163,671,121.70 - Step 4: Simplify right side
327,408,093.80x = 80,380,874,948,857,216 - Step 5: Solve for x
x = 80,380,874,948,857,216/327,408,093.80 - Step 6: Final answer
x = 245,506,682.55
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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.