Finding the Fourth Proportional to 73,259,872.80, 110,015,780.40 and 51,844,768.80
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Solution
The fourth proportional to 73,259,872.80, 110,015,780.40 and 51,844,768.80 is: 77,856,300.88
Step by Step Solution
- Step 1: Write the proportion equation
73,259,872.80 : 110,015,780.40 = 51,844,768.80 : x - Step 2: Convert to fraction form
73,259,872.80/110,015,780.40 = 51,844,768.80/x - Step 3: Cross multiply
73,259,872.80x = 110,015,780.40 × 51,844,768.80 - Step 4: Simplify right side
73,259,872.80x = 5,703,742,699,189,572 - Step 5: Solve for x
x = 5,703,742,699,189,572/73,259,872.80 - Step 6: Final answer
x = 77,856,300.88
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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.