Finding the Fourth Proportional to 178,977,800.97, 246,981,201.71 and 99,596,786.85
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Solution
The fourth proportional to 178,977,800.97, 246,981,201.71 and 99,596,786.85 is: 137,439,022.99
Step by Step Solution
- Step 1: Write the proportion equation
178,977,800.97 : 246,981,201.71 = 99,596,786.85 : x - Step 2: Convert to fraction form
178,977,800.97/246,981,201.71 = 99,596,786.85/x - Step 3: Cross multiply
178,977,800.97x = 246,981,201.71 × 99,596,786.85 - Step 4: Simplify right side
178,977,800.97x = 24,598,534,102,169,740 - Step 5: Solve for x
x = 24,598,534,102,169,740/178,977,800.97 - Step 6: Final answer
x = 137,439,022.99
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1.5x scale
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.