Finding the Fourth Proportional to 246,378,126.61, 339,980,269.39 and 145,888,535.98
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Solution
The fourth proportional to 246,378,126.61, 339,980,269.39 and 145,888,535.98 is: 201,313,421.96
Step by Step Solution
- Step 1: Write the proportion equation
246,378,126.61 : 339,980,269.39 = 145,888,535.98 : x - Step 2: Convert to fraction form
246,378,126.61/339,980,269.39 = 145,888,535.98/x - Step 3: Cross multiply
246,378,126.61x = 339,980,269.39 × 145,888,535.98 - Step 4: Simplify right side
246,378,126.61x = 49,599,223,763,393,104 - Step 5: Solve for x
x = 49,599,223,763,393,104/246,378,126.61 - Step 6: Final answer
x = 201,313,421.96
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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.