Finding the Fourth Proportional to 156,723,324.20, 235,084,986.30 and 113,501,205.80
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Solution
The fourth proportional to 156,723,324.20, 235,084,986.30 and 113,501,205.80 is: 170,251,808.70
Step by Step Solution
- Step 1: Write the proportion equation
156,723,324.20 : 235,084,986.30 = 113,501,205.80 : x - Step 2: Convert to fraction form
156,723,324.20/235,084,986.30 = 113,501,205.80/x - Step 3: Cross multiply
156,723,324.20x = 235,084,986.30 × 113,501,205.80 - Step 4: Simplify right side
156,723,324.20x = 26,682,429,410,526,480 - Step 5: Solve for x
x = 26,682,429,410,526,480/156,723,324.20 - Step 6: Final answer
x = 170,251,808.70
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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.