Finding the Fourth Proportional to 87,588,592.70, 120,867,064.50 and 48,427,295.90
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Solution
The fourth proportional to 87,588,592.70, 120,867,064.50 and 48,427,295.90 is: 66,826,796.92
Step by Step Solution
- Step 1: Write the proportion equation
87,588,592.70 : 120,867,064.50 = 48,427,295.90 : x - Step 2: Convert to fraction form
87,588,592.70/120,867,064.50 = 48,427,295.90/x - Step 3: Cross multiply
87,588,592.70x = 120,867,064.50 × 48,427,295.90 - Step 4: Simplify right side
87,588,592.70x = 5,853,265,097,105,885 - Step 5: Solve for x
x = 5,853,265,097,105,885/87,588,592.70 - Step 6: Final answer
x = 66,826,796.92
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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.