Finding the Fourth Proportional to 113,435,767.80, 170,153,651.70 and 110,916,343.80
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Solution
The fourth proportional to 113,435,767.80, 170,153,651.70 and 110,916,343.80 is: 166,374,515.70
Step by Step Solution
- Step 1: Write the proportion equation
113,435,767.80 : 170,153,651.70 = 110,916,343.80 : x - Step 2: Convert to fraction form
113,435,767.80/170,153,651.70 = 110,916,343.80/x - Step 3: Cross multiply
113,435,767.80x = 170,153,651.70 × 110,916,343.80 - Step 4: Simplify right side
113,435,767.80x = 18,872,820,930,782,652 - Step 5: Solve for x
x = 18,872,820,930,782,652/113,435,767.80 - Step 6: Final answer
x = 166,374,515.70
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1.5x scale
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.