Finding the Fourth Proportional to 110,735,237.20, 166,102,855.80 and 84,907,204.60
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Solution
The fourth proportional to 110,735,237.20, 166,102,855.80 and 84,907,204.60 is: 127,360,806.90
Step by Step Solution
- Step 1: Write the proportion equation
110,735,237.20 : 166,102,855.80 = 84,907,204.60 : x - Step 2: Convert to fraction form
110,735,237.20/166,102,855.80 = 84,907,204.60/x - Step 3: Cross multiply
110,735,237.20x = 166,102,855.80 × 84,907,204.60 - Step 4: Simplify right side
110,735,237.20x = 14,103,329,162,054,896 - Step 5: Solve for x
x = 14,103,329,162,054,896/110,735,237.20 - Step 6: Final answer
x = 127,360,806.90
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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.