Finding the Fourth Proportional to 135,961,928,221.26, 187,628,044,263.60 and 74,163,844,608.49
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Solution
The fourth proportional to 135,961,928,221.26, 187,628,044,263.60 and 74,163,844,608.49 is: 102,346,423,745.29
Step by Step Solution
- Step 1: Write the proportion equation
135,961,928,221.26 : 187,628,044,263.60 = 74,163,844,608.49 : x - Step 2: Convert to fraction form
135,961,928,221.26/187,628,044,263.60 = 74,163,844,608.49/x - Step 3: Cross multiply
135,961,928,221.26x = 187,628,044,263.60 × 74,163,844,608.49 - Step 4: Simplify right side
135,961,928,221.26x = 13,915,217,118,959,576,809,472 - Step 5: Solve for x
x = 13,915,217,118,959,576,809,472/135,961,928,221.26 - Step 6: Final answer
x = 102,346,423,745.29
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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.