Finding the Fourth Proportional to 135,490,979.60, 203,236,469.40 and 44,602,758.80
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Solution
The fourth proportional to 135,490,979.60, 203,236,469.40 and 44,602,758.80 is: 66,904,138.20
Step by Step Solution
- Step 1: Write the proportion equation
135,490,979.60 : 203,236,469.40 = 44,602,758.80 : x - Step 2: Convert to fraction form
135,490,979.60/203,236,469.40 = 44,602,758.80/x - Step 3: Cross multiply
135,490,979.60x = 203,236,469.40 × 44,602,758.80 - Step 4: Simplify right side
135,490,979.60x = 9,064,907,224,011,780 - Step 5: Solve for x
x = 9,064,907,224,011,780/135,490,979.60 - Step 6: Final answer
x = 66,904,138.20
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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.