Finding the Fourth Proportional to 135,935,405.20, 203,903,107.80 and 38,894,278.60
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Solution
The fourth proportional to 135,935,405.20, 203,903,107.80 and 38,894,278.60 is: 58,341,417.90
Step by Step Solution
- Step 1: Write the proportion equation
135,935,405.20 : 203,903,107.80 = 38,894,278.60 : x - Step 2: Convert to fraction form
135,935,405.20/203,903,107.80 = 38,894,278.60/x - Step 3: Cross multiply
135,935,405.20x = 203,903,107.80 × 38,894,278.60 - Step 4: Simplify right side
135,935,405.20x = 7,930,664,282,179,034 - Step 5: Solve for x
x = 7,930,664,282,179,034/135,935,405.20 - Step 6: Final answer
x = 58,341,417.90
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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.