Finding the Fourth Proportional to 212,097,357.98, 292,689,763.86 and 122,793,067.76
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Solution
The fourth proportional to 212,097,357.98, 292,689,763.86 and 122,793,067.76 is: 169,451,776.06
Step by Step Solution
- Step 1: Write the proportion equation
212,097,357.98 : 292,689,763.86 = 122,793,067.76 : x - Step 2: Convert to fraction form
212,097,357.98/292,689,763.86 = 122,793,067.76/x - Step 3: Cross multiply
212,097,357.98x = 292,689,763.86 × 122,793,067.76 - Step 4: Simplify right side
212,097,357.98x = 35,940,274,006,319,384 - Step 5: Solve for x
x = 35,940,274,006,319,384/212,097,357.98 - Step 6: Final answer
x = 169,451,776.06
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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.