Finding the Fourth Proportional to 167,183,999.10, 250,775,998.65 and 126,369,330.30
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Solution
The fourth proportional to 167,183,999.10, 250,775,998.65 and 126,369,330.30 is: 189,553,995.45
Step by Step Solution
- Step 1: Write the proportion equation
167,183,999.10 : 250,775,998.65 = 126,369,330.30 : x - Step 2: Convert to fraction form
167,183,999.10/250,775,998.65 = 126,369,330.30/x - Step 3: Cross multiply
167,183,999.10x = 250,775,998.65 × 126,369,330.30 - Step 4: Simplify right side
167,183,999.10x = 31,690,395,004,714,204 - Step 5: Solve for x
x = 31,690,395,004,714,204/167,183,999.10 - Step 6: Final answer
x = 189,553,995.45
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1.5x scale
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.