Finding the Fourth Proportional to 99,856,327.40, 149,784,491.10 and 39,274,029.80
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Solution
The fourth proportional to 99,856,327.40, 149,784,491.10 and 39,274,029.80 is: 58,911,044.70
Step by Step Solution
- Step 1: Write the proportion equation
99,856,327.40 : 149,784,491.10 = 39,274,029.80 : x - Step 2: Convert to fraction form
99,856,327.40/149,784,491.10 = 39,274,029.80/x - Step 3: Cross multiply
99,856,327.40x = 149,784,491.10 × 39,274,029.80 - Step 4: Simplify right side
99,856,327.40x = 5,882,640,567,039,234 - Step 5: Solve for x
x = 5,882,640,567,039,234/99,856,327.40 - Step 6: Final answer
x = 58,911,044.70
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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.