Finding the Fourth Proportional to 81,447,919.12, 122,260,404.12 and 32,959,156.24
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Solution
The fourth proportional to 81,447,919.12, 122,260,404.12 and 32,959,156.24 is: 49,474,557.54
Step by Step Solution
- Step 1: Write the proportion equation
81,447,919.12 : 122,260,404.12 = 32,959,156.24 : x - Step 2: Convert to fraction form
81,447,919.12/122,260,404.12 = 32,959,156.24/x - Step 3: Cross multiply
81,447,919.12x = 122,260,404.12 × 32,959,156.24 - Step 4: Simplify right side
81,447,919.12x = 4,029,599,761,356,619.50 - Step 5: Solve for x
x = 4,029,599,761,356,619.50/81,447,919.12 - Step 6: Final answer
x = 49,474,557.54
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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.