Finding the Fourth Proportional to 107,850,773.26, 148,861,749.27 and 66,573,947.62
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Solution
The fourth proportional to 107,850,773.26, 148,861,749.27 and 66,573,947.62 is: 91,889,135.32
Step by Step Solution
- Step 1: Write the proportion equation
107,850,773.26 : 148,861,749.27 = 66,573,947.62 : x - Step 2: Convert to fraction form
107,850,773.26/148,861,749.27 = 66,573,947.62/x - Step 3: Cross multiply
107,850,773.26x = 148,861,749.27 × 66,573,947.62 - Step 4: Simplify right side
107,850,773.26x = 9,910,314,298,522,554 - Step 5: Solve for x
x = 9,910,314,298,522,554/107,850,773.26 - Step 6: Final answer
x = 91,889,135.32
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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.