Finding the Fourth Proportional to 106,438,634.08, 146,876,517.48 and 60,040,291.84
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Solution
The fourth proportional to 106,438,634.08, 146,876,517.48 and 60,040,291.84 is: 82,850,640.18
Step by Step Solution
- Step 1: Write the proportion equation
106,438,634.08 : 146,876,517.48 = 60,040,291.84 : x - Step 2: Convert to fraction form
106,438,634.08/146,876,517.48 = 60,040,291.84/x - Step 3: Cross multiply
106,438,634.08x = 146,876,517.48 × 60,040,291.84 - Step 4: Simplify right side
106,438,634.08x = 8,818,508,973,942,061 - Step 5: Solve for x
x = 8,818,508,973,942,061/106,438,634.08 - Step 6: Final answer
x = 82,850,640.18
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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.