Finding the Fourth Proportional to 107,715,037.20, 161,572,555.80 and 107,715,037.20
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Solution
The fourth proportional to 107,715,037.20, 161,572,555.80 and 107,715,037.20 is: 161,572,555.80
Step by Step Solution
- Step 1: Write the proportion equation
107,715,037.20 : 161,572,555.80 = 107,715,037.20 : x - Step 2: Convert to fraction form
107,715,037.20/161,572,555.80 = 107,715,037.20/x - Step 3: Cross multiply
107,715,037.20x = 161,572,555.80 × 107,715,037.20 - Step 4: Simplify right side
107,715,037.20x = 17,403,793,858,496,078 - Step 5: Solve for x
x = 17,403,793,858,496,078/107,715,037.20 - Step 6: Final answer
x = 161,572,555.80
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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.