Finding the Fourth Proportional to 245,850,770.58, 339,269,965.38 and 134,339,161.65
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Solution
The fourth proportional to 245,850,770.58, 339,269,965.38 and 134,339,161.65 is: 185,385,803.81
Step by Step Solution
- Step 1: Write the proportion equation
245,850,770.58 : 339,269,965.38 = 134,339,161.65 : x - Step 2: Convert to fraction form
245,850,770.58/339,269,965.38 = 134,339,161.65/x - Step 3: Cross multiply
245,850,770.58x = 339,269,965.38 × 134,339,161.65 - Step 4: Simplify right side
245,850,770.58x = 45,577,242,722,173,728 - Step 5: Solve for x
x = 45,577,242,722,173,728/245,850,770.58 - Step 6: Final answer
x = 185,385,803.81
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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.