Finding the Fourth Proportional to 170,825,128.20, 256,237,692.30 and 106,327,873.80
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Solution
The fourth proportional to 170,825,128.20, 256,237,692.30 and 106,327,873.80 is: 159,491,810.70
Step by Step Solution
- Step 1: Write the proportion equation
170,825,128.20 : 256,237,692.30 = 106,327,873.80 : x - Step 2: Convert to fraction form
170,825,128.20/256,237,692.30 = 106,327,873.80/x - Step 3: Cross multiply
170,825,128.20x = 256,237,692.30 × 106,327,873.80 - Step 4: Simplify right side
170,825,128.20x = 27,245,209,009,677,632 - Step 5: Solve for x
x = 27,245,209,009,677,632/170,825,128.20 - Step 6: Final answer
x = 159,491,810.70
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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.