Finding the Fourth Proportional to 57,020,152.08, 78,689,469.48 and 32,239,806.62
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Solution
The fourth proportional to 57,020,152.08, 78,689,469.48 and 32,239,806.62 is: 44,491,871.50
Step by Step Solution
- Step 1: Write the proportion equation
57,020,152.08 : 78,689,469.48 = 32,239,806.62 : x - Step 2: Convert to fraction form
57,020,152.08/78,689,469.48 = 32,239,806.62/x - Step 3: Cross multiply
57,020,152.08x = 78,689,469.48 × 32,239,806.62 - Step 4: Simplify right side
57,020,152.08x = 2,536,933,279,065,592 - Step 5: Solve for x
x = 2,536,933,279,065,592/57,020,152.08 - Step 6: Final answer
x = 44,491,871.50
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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.