Finding the Fourth Proportional to 212,097,353.99, 292,689,758.34 and 122,793,063.75
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Solution
The fourth proportional to 212,097,353.99, 292,689,758.34 and 122,793,063.75 is: 169,451,770.52
Step by Step Solution
- Step 1: Write the proportion equation
212,097,353.99 : 292,689,758.34 = 122,793,063.75 : x - Step 2: Convert to fraction form
212,097,353.99/292,689,758.34 = 122,793,063.75/x - Step 3: Cross multiply
212,097,353.99x = 292,689,758.34 × 122,793,063.75 - Step 4: Simplify right side
212,097,353.99x = 35,940,272,154,815,712 - Step 5: Solve for x
x = 35,940,272,154,815,712/212,097,353.99 - Step 6: Final answer
x = 169,451,770.52
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.