Finding the Fourth Proportional to 73,809,793.70, 110,714,690.55 and 53,402,459.30
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Solution
The fourth proportional to 73,809,793.70, 110,714,690.55 and 53,402,459.30 is: 80,103,688.95
Step by Step Solution
- Step 1: Write the proportion equation
73,809,793.70 : 110,714,690.55 = 53,402,459.30 : x - Step 2: Convert to fraction form
73,809,793.70/110,714,690.55 = 53,402,459.30/x - Step 3: Cross multiply
73,809,793.70x = 110,714,690.55 × 53,402,459.30 - Step 4: Simplify right side
73,809,793.70x = 5,912,436,756,008,469 - Step 5: Solve for x
x = 5,912,436,756,008,469/73,809,793.70 - Step 6: Final answer
x = 80,103,688.95
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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.