Finding the Fourth Proportional to 90,104,182.98, 135,169,221.39 and 27,860,347.78
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Solution
The fourth proportional to 90,104,182.98, 135,169,221.39 and 27,860,347.78 is: 41,794,524.88
Step by Step Solution
- Step 1: Write the proportion equation
90,104,182.98 : 135,169,221.39 = 27,860,347.78 : x - Step 2: Convert to fraction form
90,104,182.98/135,169,221.39 = 27,860,347.78/x - Step 3: Cross multiply
90,104,182.98x = 135,169,221.39 × 27,860,347.78 - Step 4: Simplify right side
90,104,182.98x = 3,765,861,517,077,215 - Step 5: Solve for x
x = 3,765,861,517,077,215/90,104,182.98 - Step 6: Final answer
x = 41,794,524.88
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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.