Finding the Fourth Proportional to 91,222,146.83, 125,888,595.38 and 52,063,138.14
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Solution
The fourth proportional to 91,222,146.83, 125,888,595.38 and 52,063,138.14 is: 71,848,290.79
Step by Step Solution
- Step 1: Write the proportion equation
91,222,146.83 : 125,888,595.38 = 52,063,138.14 : x - Step 2: Convert to fraction form
91,222,146.83/125,888,595.38 = 52,063,138.14/x - Step 3: Cross multiply
91,222,146.83x = 125,888,595.38 × 52,063,138.14 - Step 4: Simplify right side
91,222,146.83x = 6,554,155,331,259,190 - Step 5: Solve for x
x = 6,554,155,331,259,190/91,222,146.83 - Step 6: Final answer
x = 71,848,290.79
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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.