Finding the Fourth Proportional to 107,770,496.10, 161,655,744.15 and 53,209,220.10
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Solution
The fourth proportional to 107,770,496.10, 161,655,744.15 and 53,209,220.10 is: 79,813,830.15
Step by Step Solution
- Step 1: Write the proportion equation
107,770,496.10 : 161,655,744.15 = 53,209,220.10 : x - Step 2: Convert to fraction form
107,770,496.10/161,655,744.15 = 53,209,220.10/x - Step 3: Cross multiply
107,770,496.10x = 161,655,744.15 × 53,209,220.10 - Step 4: Simplify right side
107,770,496.10x = 8,601,576,070,906,638 - Step 5: Solve for x
x = 8,601,576,070,906,638/107,770,496.10 - Step 6: Final answer
x = 79,813,830.15
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Double scale
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Similar ratio
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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.