Finding the Fourth Proportional to 303,605,484.08, 418,970,487.48 and 164,375,115.44
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Solution
The fourth proportional to 303,605,484.08, 418,970,487.48 and 164,375,115.44 is: 226,834,908.65
Step by Step Solution
- Step 1: Write the proportion equation
303,605,484.08 : 418,970,487.48 = 164,375,115.44 : x - Step 2: Convert to fraction form
303,605,484.08/418,970,487.48 = 164,375,115.44/x - Step 3: Cross multiply
303,605,484.08x = 418,970,487.48 × 164,375,115.44 - Step 4: Simplify right side
303,605,484.08x = 68,868,322,245,478,080 - Step 5: Solve for x
x = 68,868,322,245,478,080/303,605,484.08 - Step 6: Final answer
x = 226,834,908.65
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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.