Finding the Fourth Proportional to 214,848,610.20, 322,272,915.30 and 185,623,291.80
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Solution
The fourth proportional to 214,848,610.20, 322,272,915.30 and 185,623,291.80 is: 278,434,937.70
Step by Step Solution
- Step 1: Write the proportion equation
214,848,610.20 : 322,272,915.30 = 185,623,291.80 : x - Step 2: Convert to fraction form
214,848,610.20/322,272,915.30 = 185,623,291.80/x - Step 3: Cross multiply
214,848,610.20x = 322,272,915.30 × 185,623,291.80 - Step 4: Simplify right side
214,848,610.20x = 59,821,359,395,968,592 - Step 5: Solve for x
x = 59,821,359,395,968,592/214,848,610.20 - Step 6: Final answer
x = 278,434,937.70
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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.