Finding the Fourth Proportional to 110,802,197.20, 166,203,295.80 and 101,873,988.40
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Solution
The fourth proportional to 110,802,197.20, 166,203,295.80 and 101,873,988.40 is: 152,810,982.60
Step by Step Solution
- Step 1: Write the proportion equation
110,802,197.20 : 166,203,295.80 = 101,873,988.40 : x - Step 2: Convert to fraction form
110,802,197.20/166,203,295.80 = 101,873,988.40/x - Step 3: Cross multiply
110,802,197.20x = 166,203,295.80 × 101,873,988.40 - Step 4: Simplify right side
110,802,197.20x = 16,931,792,628,370,970 - Step 5: Solve for x
x = 16,931,792,628,370,970/110,802,197.20 - Step 6: Final answer
x = 152,810,982.60
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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.