Finding the Fourth Proportional to 126,481,325,618.76, 189,715,005,013.17 and 92,481,698,164.65
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Solution
The fourth proportional to 126,481,325,618.76, 189,715,005,013.17 and 92,481,698,164.65 is: 138,717,441,053.85
Step by Step Solution
- Step 1: Write the proportion equation
126,481,325,618.76 : 189,715,005,013.17 = 92,481,698,164.65 : x - Step 2: Convert to fraction form
126,481,325,618.76/189,715,005,013.17 = 92,481,698,164.65/x - Step 3: Cross multiply
126,481,325,618.76x = 189,715,005,013.17 × 92,481,698,164.65 - Step 4: Simplify right side
126,481,325,618.76x = 17,545,165,830,933,050,294,272 - Step 5: Solve for x
x = 17,545,165,830,933,050,294,272/126,481,325,618.76 - Step 6: Final answer
x = 138,717,441,053.85
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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.