Finding the Fourth Proportional to 213,392,704.62, 294,482,231.19 and 115,607,560.62
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Solution
The fourth proportional to 213,392,704.62, 294,482,231.19 and 115,607,560.62 is: 159,538,595.54
Step by Step Solution
- Step 1: Write the proportion equation
213,392,704.62 : 294,482,231.19 = 115,607,560.62 : x - Step 2: Convert to fraction form
213,392,704.62/294,482,231.19 = 115,607,560.62/x - Step 3: Cross multiply
213,392,704.62x = 294,482,231.19 × 115,607,560.62 - Step 4: Simplify right side
213,392,704.62x = 34,044,372,393,810,780 - Step 5: Solve for x
x = 34,044,372,393,810,780/213,392,704.62 - Step 6: Final answer
x = 159,538,595.54
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.