Finding the Fourth Proportional to 110,943,796.80, 166,415,695.20 and 74,664,091.20
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Solution
The fourth proportional to 110,943,796.80, 166,415,695.20 and 74,664,091.20 is: 111,996,136.80
Step by Step Solution
- Step 1: Write the proportion equation
110,943,796.80 : 166,415,695.20 = 74,664,091.20 : x - Step 2: Convert to fraction form
110,943,796.80/166,415,695.20 = 74,664,091.20/x - Step 3: Cross multiply
110,943,796.80x = 166,415,695.20 × 74,664,091.20 - Step 4: Simplify right side
110,943,796.80x = 12,425,276,643,524,202 - Step 5: Solve for x
x = 12,425,276,643,524,202/110,943,796.80 - Step 6: Final answer
x = 111,996,136.80
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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.