Finding the Fourth Proportional to 120,852,136.10, 181,278,204.15 and 101,720,260.10
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Solution
The fourth proportional to 120,852,136.10, 181,278,204.15 and 101,720,260.10 is: 152,580,390.15
Step by Step Solution
- Step 1: Write the proportion equation
120,852,136.10 : 181,278,204.15 = 101,720,260.10 : x - Step 2: Convert to fraction form
120,852,136.10/181,278,204.15 = 101,720,260.10/x - Step 3: Cross multiply
120,852,136.10x = 181,278,204.15 × 101,720,260.10 - Step 4: Simplify right side
120,852,136.10x = 18,439,666,076,598,900 - Step 5: Solve for x
x = 18,439,666,076,598,900/120,852,136.10 - Step 6: Final answer
x = 152,580,390.15
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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.