Finding the Fourth Proportional to 245,850,764.19, 339,269,956.56 and 134,339,155.26
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Solution
The fourth proportional to 245,850,764.19, 339,269,956.56 and 134,339,155.26 is: 185,385,794.99
Step by Step Solution
- Step 1: Write the proportion equation
245,850,764.19 : 339,269,956.56 = 134,339,155.26 : x - Step 2: Convert to fraction form
245,850,764.19/339,269,956.56 = 134,339,155.26/x - Step 3: Cross multiply
245,850,764.19x = 339,269,956.56 × 134,339,155.26 - Step 4: Simplify right side
245,850,764.19x = 45,577,239,369,367,296 - Step 5: Solve for x
x = 45,577,239,369,367,296/245,850,764.19 - Step 6: Final answer
x = 185,385,794.99
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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.