Finding the Fourth Proportional to 323,551,197.05, 485,347,226.47 and 136,770,311.24
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Solution
The fourth proportional to 323,551,197.05, 485,347,226.47 and 136,770,311.24 is: 205,164,103.33
Step by Step Solution
- Step 1: Write the proportion equation
323,551,197.05 : 485,347,226.47 = 136,770,311.24 : x - Step 2: Convert to fraction form
323,551,197.05/485,347,226.47 = 136,770,311.24/x - Step 3: Cross multiply
323,551,197.05x = 485,347,226.47 × 136,770,311.24 - Step 4: Simplify right side
323,551,197.05x = 66,381,091,223,772,672 - Step 5: Solve for x
x = 66,381,091,223,772,672/323,551,197.05 - Step 6: Final answer
x = 205,164,103.33
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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.