Finding the Fourth Proportional to 168,509,925.70, 252,764,888.55 and 149,378,049.70
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Solution
The fourth proportional to 168,509,925.70, 252,764,888.55 and 149,378,049.70 is: 224,067,074.55
Step by Step Solution
- Step 1: Write the proportion equation
168,509,925.70 : 252,764,888.55 = 149,378,049.70 : x - Step 2: Convert to fraction form
168,509,925.70/252,764,888.55 = 149,378,049.70/x - Step 3: Cross multiply
168,509,925.70x = 252,764,888.55 × 149,378,049.70 - Step 4: Simplify right side
168,509,925.70x = 37,757,526,084,236,856 - Step 5: Solve for x
x = 37,757,526,084,236,856/168,509,925.70 - Step 6: Final answer
x = 224,067,074.55
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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.