Finding the Fourth Proportional to 118,099,815.20, 177,149,722.80 and 32,999,271.20
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Solution
The fourth proportional to 118,099,815.20, 177,149,722.80 and 32,999,271.20 is: 49,498,906.80
Step by Step Solution
- Step 1: Write the proportion equation
118,099,815.20 : 177,149,722.80 = 32,999,271.20 : x - Step 2: Convert to fraction form
118,099,815.20/177,149,722.80 = 32,999,271.20/x - Step 3: Cross multiply
118,099,815.20x = 177,149,722.80 × 32,999,271.20 - Step 4: Simplify right side
118,099,815.20x = 5,845,811,745,682,024 - Step 5: Solve for x
x = 5,845,811,745,682,024/118,099,815.20 - Step 6: Final answer
x = 49,498,906.80
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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.