Finding the Fourth Proportional to 149,474,756.80, 224,212,135.20 and 146,115,524.80
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Solution
The fourth proportional to 149,474,756.80, 224,212,135.20 and 146,115,524.80 is: 219,173,287.20
Step by Step Solution
- Step 1: Write the proportion equation
149,474,756.80 : 224,212,135.20 = 146,115,524.80 : x - Step 2: Convert to fraction form
149,474,756.80/224,212,135.20 = 146,115,524.80/x - Step 3: Cross multiply
149,474,756.80x = 224,212,135.20 × 146,115,524.80 - Step 4: Simplify right side
149,474,756.80x = 32,760,873,801,276,552 - Step 5: Solve for x
x = 32,760,873,801,276,552/149,474,756.80 - Step 6: Final answer
x = 219,173,287.20
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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.