Finding the Fourth Proportional to 214,166,640.51, 321,257,574.56 and 68,581,284.84
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Solution
The fourth proportional to 214,166,640.51, 321,257,574.56 and 68,581,284.84 is: 102,874,365.38
Step by Step Solution
- Step 1: Write the proportion equation
214,166,640.51 : 321,257,574.56 = 68,581,284.84 : x - Step 2: Convert to fraction form
214,166,640.51/321,257,574.56 = 68,581,284.84/x - Step 3: Cross multiply
214,166,640.51x = 321,257,574.56 × 68,581,284.84 - Step 4: Simplify right side
214,166,640.51x = 22,032,257,228,078,352 - Step 5: Solve for x
x = 22,032,257,228,078,352/214,166,640.51 - Step 6: Final answer
x = 102,874,365.38
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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.