Finding the Fourth Proportional to 131,408,890.02, 197,134,592.68 and 54,739,668.42
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Solution
The fourth proportional to 131,408,890.02, 197,134,592.68 and 54,739,668.42 is: 82,118,357.71
Step by Step Solution
- Step 1: Write the proportion equation
131,408,890.02 : 197,134,592.68 = 54,739,668.42 : x - Step 2: Convert to fraction form
131,408,890.02/197,134,592.68 = 54,739,668.42/x - Step 3: Cross multiply
131,408,890.02x = 197,134,592.68 × 54,739,668.42 - Step 4: Simplify right side
131,408,890.02x = 10,791,082,237,414,960 - Step 5: Solve for x
x = 10,791,082,237,414,960/131,408,890.02 - Step 6: Final answer
x = 82,118,357.71
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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.