Finding the Fourth Proportional to 92,945,186.22, 128,263,647.70 and 51,128,351.08
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Solution
The fourth proportional to 92,945,186.22, 128,263,647.70 and 51,128,351.08 is: 70,556,734.32
Step by Step Solution
- Step 1: Write the proportion equation
92,945,186.22 : 128,263,647.70 = 51,128,351.08 : x - Step 2: Convert to fraction form
92,945,186.22/128,263,647.70 = 51,128,351.08/x - Step 3: Cross multiply
92,945,186.22x = 128,263,647.70 × 51,128,351.08 - Step 4: Simplify right side
92,945,186.22x = 6,557,908,810,407,034 - Step 5: Solve for x
x = 6,557,908,810,407,034/92,945,186.22 - Step 6: Final answer
x = 70,556,734.32
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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.