Finding the Fourth Proportional to 73,706,986.80, 110,560,480.20 and 65,203,930.80
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Solution
The fourth proportional to 73,706,986.80, 110,560,480.20 and 65,203,930.80 is: 97,805,896.20
Step by Step Solution
- Step 1: Write the proportion equation
73,706,986.80 : 110,560,480.20 = 65,203,930.80 : x - Step 2: Convert to fraction form
73,706,986.80/110,560,480.20 = 65,203,930.80/x - Step 3: Cross multiply
73,706,986.80x = 110,560,480.20 × 65,203,930.80 - Step 4: Simplify right side
73,706,986.80x = 7,208,977,900,175,570 - Step 5: Solve for x
x = 7,208,977,900,175,570/73,706,986.80 - Step 6: Final answer
x = 97,805,896.20
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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.