Finding the Fourth Proportional to 69,394,236.84, 95,761,637.64 and 38,457,284.76
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Solution
The fourth proportional to 69,394,236.84, 95,761,637.64 and 38,457,284.76 is: 53,069,717.83
Step by Step Solution
- Step 1: Write the proportion equation
69,394,236.84 : 95,761,637.64 = 38,457,284.76 : x - Step 2: Convert to fraction form
69,394,236.84/95,761,637.64 = 38,457,284.76/x - Step 3: Cross multiply
69,394,236.84x = 95,761,637.64 × 38,457,284.76 - Step 4: Simplify right side
69,394,236.84x = 3,682,732,567,805,414 - Step 5: Solve for x
x = 3,682,732,567,805,414/69,394,236.84 - Step 6: Final answer
x = 53,069,717.83
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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.