Finding the Fourth Proportional to 189,512,563.60, 284,481,421.80 and 146,572,130.80
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Solution
The fourth proportional to 189,512,563.60, 284,481,421.80 and 146,572,130.80 is: 220,022,606.28
Step by Step Solution
- Step 1: Write the proportion equation
189,512,563.60 : 284,481,421.80 = 146,572,130.80 : x - Step 2: Convert to fraction form
189,512,563.60/284,481,421.80 = 146,572,130.80/x - Step 3: Cross multiply
189,512,563.60x = 284,481,421.80 × 146,572,130.80 - Step 4: Simplify right side
189,512,563.60x = 41,697,048,166,239,576 - Step 5: Solve for x
x = 41,697,048,166,239,576/189,512,563.60 - Step 6: Final answer
x = 220,022,606.28
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.