Finding the Fourth Proportional to 201,204,408.90, 301,806,613.35 and 199,291,221.30
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Solution
The fourth proportional to 201,204,408.90, 301,806,613.35 and 199,291,221.30 is: 298,936,831.95
Step by Step Solution
- Step 1: Write the proportion equation
201,204,408.90 : 301,806,613.35 = 199,291,221.30 : x - Step 2: Convert to fraction form
201,204,408.90/301,806,613.35 = 199,291,221.30/x - Step 3: Cross multiply
201,204,408.90x = 301,806,613.35 × 199,291,221.30 - Step 4: Simplify right side
201,204,408.90x = 60,147,408,570,938,392 - Step 5: Solve for x
x = 60,147,408,570,938,392/201,204,408.90 - Step 6: Final answer
x = 298,936,831.95
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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.