Finding the Fourth Proportional to 165,945,772.20, 248,918,658.30 and 44,777,029.80
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Solution
The fourth proportional to 165,945,772.20, 248,918,658.30 and 44,777,029.80 is: 67,165,544.70
Step by Step Solution
- Step 1: Write the proportion equation
165,945,772.20 : 248,918,658.30 = 44,777,029.80 : x - Step 2: Convert to fraction form
165,945,772.20/248,918,658.30 = 44,777,029.80/x - Step 3: Cross multiply
165,945,772.20x = 248,918,658.30 × 44,777,029.80 - Step 4: Simplify right side
165,945,772.20x = 11,145,838,180,475,118 - Step 5: Solve for x
x = 11,145,838,180,475,118/165,945,772.20 - Step 6: Final answer
x = 67,165,544.70
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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.