Finding the Fourth Proportional to 219,794,135.20, 329,691,202.80 and 133,558,975.60
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Solution
The fourth proportional to 219,794,135.20, 329,691,202.80 and 133,558,975.60 is: 200,338,463.40
Step by Step Solution
- Step 1: Write the proportion equation
219,794,135.20 : 329,691,202.80 = 133,558,975.60 : x - Step 2: Convert to fraction form
219,794,135.20/329,691,202.80 = 133,558,975.60/x - Step 3: Cross multiply
219,794,135.20x = 329,691,202.80 × 133,558,975.60 - Step 4: Simplify right side
219,794,135.20x = 44,033,219,310,299,848 - Step 5: Solve for x
x = 44,033,219,310,299,848/219,794,135.20 - Step 6: Final answer
x = 200,338,463.40
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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.