Finding the Fourth Proportional to 57,580,981.65, 79,442,352.63 and 32,783,623.22
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Solution
The fourth proportional to 57,580,981.65, 79,442,352.63 and 32,783,623.22 is: 45,230,353.52
Step by Step Solution
- Step 1: Write the proportion equation
57,580,981.65 : 79,442,352.63 = 32,783,623.22 : x - Step 2: Convert to fraction form
57,580,981.65/79,442,352.63 = 32,783,623.22/x - Step 3: Cross multiply
57,580,981.65x = 79,442,352.63 × 32,783,623.22 - Step 4: Simplify right side
57,580,981.65x = 2,604,408,156,332,296 - Step 5: Solve for x
x = 2,604,408,156,332,296/57,580,981.65 - Step 6: Final answer
x = 45,230,353.52
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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.