Finding the Fourth Proportional to 201,204,407.80, 301,806,611.70 and 139,982,404.60
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Solution
The fourth proportional to 201,204,407.80, 301,806,611.70 and 139,982,404.60 is: 209,973,606.90
Step by Step Solution
- Step 1: Write the proportion equation
201,204,407.80 : 301,806,611.70 = 139,982,404.60 : x - Step 2: Convert to fraction form
201,204,407.80/301,806,611.70 = 139,982,404.60/x - Step 3: Cross multiply
201,204,407.80x = 301,806,611.70 × 139,982,404.60 - Step 4: Simplify right side
201,204,407.80x = 42,247,615,229,944,488 - Step 5: Solve for x
x = 42,247,615,229,944,488/201,204,407.80 - Step 6: Final answer
x = 209,973,606.90
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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.