Finding the Fourth Proportional to 303,375,749.16, 418,655,553.30 and 164,143,455.96
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Solution
The fourth proportional to 303,375,749.16, 418,655,553.30 and 164,143,455.96 is: 226,516,356.58
Step by Step Solution
- Step 1: Write the proportion equation
303,375,749.16 : 418,655,553.30 = 164,143,455.96 : x - Step 2: Convert to fraction form
303,375,749.16/418,655,553.30 = 164,143,455.96/x - Step 3: Cross multiply
303,375,749.16x = 418,655,553.30 × 164,143,455.96 - Step 4: Simplify right side
303,375,749.16x = 68,719,569,375,507,992 - Step 5: Solve for x
x = 68,719,569,375,507,992/303,375,749.16 - Step 6: Final answer
x = 226,516,356.58
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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.