Finding the Fourth Proportional to 150,170,840.20, 225,256,260.30 and 53,236,001.80
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Solution
The fourth proportional to 150,170,840.20, 225,256,260.30 and 53,236,001.80 is: 79,854,002.70
Step by Step Solution
- Step 1: Write the proportion equation
150,170,840.20 : 225,256,260.30 = 53,236,001.80 : x - Step 2: Convert to fraction form
150,170,840.20/225,256,260.30 = 53,236,001.80/x - Step 3: Cross multiply
150,170,840.20x = 225,256,260.30 × 53,236,001.80 - Step 4: Simplify right side
150,170,840.20x = 11,991,742,678,792,068 - Step 5: Solve for x
x = 11,991,742,678,792,068/150,170,840.20 - Step 6: Final answer
x = 79,854,002.70
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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.