Finding the Fourth Proportional to 91,190,199.71, 136,793,708.37 and 29,779,680.27
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Solution
The fourth proportional to 91,190,199.71, 136,793,708.37 and 29,779,680.27 is: 44,672,266.44
Step by Step Solution
- Step 1: Write the proportion equation
91,190,199.71 : 136,793,708.37 = 29,779,680.27 : x - Step 2: Convert to fraction form
91,190,199.71/136,793,708.37 = 29,779,680.27/x - Step 3: Cross multiply
91,190,199.71x = 136,793,708.37 × 29,779,680.27 - Step 4: Simplify right side
91,190,199.71x = 4,073,672,898,317,896.50 - Step 5: Solve for x
x = 4,073,672,898,317,896.50/91,190,199.71 - Step 6: Final answer
x = 44,672,266.44
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.