Finding the Fourth Proportional to 268,729,609.60, 403,094,414.40 and 115,349,564.80
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Solution
The fourth proportional to 268,729,609.60, 403,094,414.40 and 115,349,564.80 is: 173,024,347.20
Step by Step Solution
- Step 1: Write the proportion equation
268,729,609.60 : 403,094,414.40 = 115,349,564.80 : x - Step 2: Convert to fraction form
268,729,609.60/403,094,414.40 = 115,349,564.80/x - Step 3: Cross multiply
268,729,609.60x = 403,094,414.40 × 115,349,564.80 - Step 4: Simplify right side
268,729,609.60x = 46,496,765,274,350,848 - Step 5: Solve for x
x = 46,496,765,274,350,848/268,729,609.60 - Step 6: Final answer
x = 173,024,347.20
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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.