Finding the Fourth Proportional to 303,605,489.08, 418,970,494.38 and 164,375,120.44
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Solution
The fourth proportional to 303,605,489.08, 418,970,494.38 and 164,375,120.44 is: 226,834,915.55
Step by Step Solution
- Step 1: Write the proportion equation
303,605,489.08 : 418,970,494.38 = 164,375,120.44 : x - Step 2: Convert to fraction form
303,605,489.08/418,970,494.38 = 164,375,120.44/x - Step 3: Cross multiply
303,605,489.08x = 418,970,494.38 × 164,375,120.44 - Step 4: Simplify right side
303,605,489.08x = 68,868,325,474,518,840 - Step 5: Solve for x
x = 68,868,325,474,518,840/303,605,489.08 - Step 6: Final answer
x = 226,834,915.55
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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.