Finding the Fourth Proportional to 110,716,805.20, 166,075,207.80 and 110,716,805.20
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Solution
The fourth proportional to 110,716,805.20, 166,075,207.80 and 110,716,805.20 is: 166,075,207.80
Step by Step Solution
- Step 1: Write the proportion equation
110,716,805.20 : 166,075,207.80 = 110,716,805.20 : x - Step 2: Convert to fraction form
110,716,805.20/166,075,207.80 = 110,716,805.20/x - Step 3: Cross multiply
110,716,805.20x = 166,075,207.80 × 110,716,805.20 - Step 4: Simplify right side
110,716,805.20x = 18,387,316,430,542,124 - Step 5: Solve for x
x = 18,387,316,430,542,124/110,716,805.20 - Step 6: Final answer
x = 166,075,207.80
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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.