Finding the Fourth Proportional to 141,899,172.99, 195,783,800.58 and 83,130,245.70
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Solution
The fourth proportional to 141,899,172.99, 195,783,800.58 and 83,130,245.70 is: 114,698,028.91
Step by Step Solution
- Step 1: Write the proportion equation
141,899,172.99 : 195,783,800.58 = 83,130,245.70 : x - Step 2: Convert to fraction form
141,899,172.99/195,783,800.58 = 83,130,245.70/x - Step 3: Cross multiply
141,899,172.99x = 195,783,800.58 × 83,130,245.70 - Step 4: Simplify right side
141,899,172.99x = 16,275,555,446,295,204 - Step 5: Solve for x
x = 16,275,555,446,295,204/141,899,172.99 - Step 6: Final answer
x = 114,698,028.91
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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.