Finding the Fourth Proportional to 201,204,010.20, 301,806,015.30 and 193,551,259.80
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Solution
The fourth proportional to 201,204,010.20, 301,806,015.30 and 193,551,259.80 is: 290,326,889.70
Step by Step Solution
- Step 1: Write the proportion equation
201,204,010.20 : 301,806,015.30 = 193,551,259.80 : x - Step 2: Convert to fraction form
201,204,010.20/301,806,015.30 = 193,551,259.80/x - Step 3: Cross multiply
201,204,010.20x = 301,806,015.30 × 193,551,259.80 - Step 4: Simplify right side
201,204,010.20x = 58,414,934,476,533,080 - Step 5: Solve for x
x = 58,414,934,476,533,080/201,204,010.20 - Step 6: Final answer
x = 290,326,889.70
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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.