Finding the Fourth Proportional to 177,647,925.20, 266,471,887.80 and 101,120,421.20
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Solution
The fourth proportional to 177,647,925.20, 266,471,887.80 and 101,120,421.20 is: 151,680,631.80
Step by Step Solution
- Step 1: Write the proportion equation
177,647,925.20 : 266,471,887.80 = 101,120,421.20 : x - Step 2: Convert to fraction form
177,647,925.20/266,471,887.80 = 101,120,421.20/x - Step 3: Cross multiply
177,647,925.20x = 266,471,887.80 × 101,120,421.20 - Step 4: Simplify right side
177,647,925.20x = 26,945,749,532,295,144 - Step 5: Solve for x
x = 26,945,749,532,295,144/177,647,925.20 - Step 6: Final answer
x = 151,680,631.80
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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.