Finding the Fourth Proportional to 87,432,028.20, 131,232,023.10 and 44,349,877.80
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Solution
The fourth proportional to 87,432,028.20, 131,232,023.10 and 44,349,877.80 is: 66,567,415.94
Step by Step Solution
- Step 1: Write the proportion equation
87,432,028.20 : 131,232,023.10 = 44,349,877.80 : x - Step 2: Convert to fraction form
87,432,028.20/131,232,023.10 = 44,349,877.80/x - Step 3: Cross multiply
87,432,028.20x = 131,232,023.10 × 44,349,877.80 - Step 4: Simplify right side
87,432,028.20x = 5,820,124,187,931,777 - Step 5: Solve for x
x = 5,820,124,187,931,777/87,432,028.20 - Step 6: Final answer
x = 66,567,415.94
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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.