Finding the Fourth Proportional to 199,287,023.60, 298,930,535.40 and 167,542,281.20
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Solution
The fourth proportional to 199,287,023.60, 298,930,535.40 and 167,542,281.20 is: 251,313,421.80
Step by Step Solution
- Step 1: Write the proportion equation
199,287,023.60 : 298,930,535.40 = 167,542,281.20 : x - Step 2: Convert to fraction form
199,287,023.60/298,930,535.40 = 167,542,281.20/x - Step 3: Cross multiply
199,287,023.60x = 298,930,535.40 × 167,542,281.20 - Step 4: Simplify right side
199,287,023.60x = 50,083,503,821,253,344 - Step 5: Solve for x
x = 50,083,503,821,253,344/199,287,023.60 - Step 6: Final answer
x = 251,313,421.80
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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.