Finding the Fourth Proportional to 122,418,062.76, 168,935,257.50 and 69,494,310.06
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Solution
The fourth proportional to 122,418,062.76, 168,935,257.50 and 69,494,310.06 is: 95,901,200.36
Step by Step Solution
- Step 1: Write the proportion equation
122,418,062.76 : 168,935,257.50 = 69,494,310.06 : x - Step 2: Convert to fraction form
122,418,062.76/168,935,257.50 = 69,494,310.06/x - Step 3: Cross multiply
122,418,062.76x = 168,935,257.50 × 69,494,310.06 - Step 4: Simplify right side
122,418,062.76x = 11,740,039,164,770,940 - Step 5: Solve for x
x = 11,740,039,164,770,940/122,418,062.76 - Step 6: Final answer
x = 95,901,200.36
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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.