Finding the Fourth Proportional to 166,902,289.87, 250,302,195.18 and 115,417,738.95
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Solution
The fourth proportional to 166,902,289.87, 250,302,195.18 and 115,417,738.95 is: 173,091,174.75
Step by Step Solution
- Step 1: Write the proportion equation
166,902,289.87 : 250,302,195.18 = 115,417,738.95 : x - Step 2: Convert to fraction form
166,902,289.87/250,302,195.18 = 115,417,738.95/x - Step 3: Cross multiply
166,902,289.87x = 250,302,195.18 × 115,417,738.95 - Step 4: Simplify right side
166,902,289.87x = 28,889,313,421,897,188 - Step 5: Solve for x
x = 28,889,313,421,897,188/166,902,289.87 - Step 6: Final answer
x = 173,091,174.75
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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.