Finding the Fourth Proportional to 120,765,773.80, 181,148,660.70 and 101,633,897.80
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Solution
The fourth proportional to 120,765,773.80, 181,148,660.70 and 101,633,897.80 is: 152,450,846.70
Step by Step Solution
- Step 1: Write the proportion equation
120,765,773.80 : 181,148,660.70 = 101,633,897.80 : x - Step 2: Convert to fraction form
120,765,773.80/181,148,660.70 = 101,633,897.80/x - Step 3: Cross multiply
120,765,773.80x = 181,148,660.70 × 101,633,897.80 - Step 4: Simplify right side
120,765,773.80x = 18,410,844,468,190,676 - Step 5: Solve for x
x = 18,410,844,468,190,676/120,765,773.80 - Step 6: Final answer
x = 152,450,846.70
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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.