Finding the Fourth Proportional to 371,201,189.76, 512,142,073.92 and 214,511,212.80
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Solution
The fourth proportional to 371,201,189.76, 512,142,073.92 and 214,511,212.80 is: 295,958,688.80
Step by Step Solution
- Step 1: Write the proportion equation
371,201,189.76 : 512,142,073.92 = 214,511,212.80 : x - Step 2: Convert to fraction form
371,201,189.76/512,142,073.92 = 214,511,212.80/x - Step 3: Cross multiply
371,201,189.76x = 512,142,073.92 × 214,511,212.80 - Step 4: Simplify right side
371,201,189.76x = 109,860,217,402,486,464 - Step 5: Solve for x
x = 109,860,217,402,486,464/371,201,189.76 - Step 6: Final answer
x = 295,958,688.80
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.