Finding the Fourth Proportional to 122,599,233.18, 169,188,261.44 and 66,844,198.08
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Solution
The fourth proportional to 122,599,233.18, 169,188,261.44 and 66,844,198.08 is: 92,245,712.86
Step by Step Solution
- Step 1: Write the proportion equation
122,599,233.18 : 169,188,261.44 = 66,844,198.08 : x - Step 2: Convert to fraction form
122,599,233.18/169,188,261.44 = 66,844,198.08/x - Step 3: Cross multiply
122,599,233.18x = 169,188,261.44 × 66,844,198.08 - Step 4: Simplify right side
122,599,233.18x = 11,309,253,660,171,964 - Step 5: Solve for x
x = 11,309,253,660,171,964/122,599,233.18 - Step 6: Final answer
x = 92,245,712.86
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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.