Finding the Fourth Proportional to 189,272,708.70, 265,364,429.70 and 189,272,708.70
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Solution
The fourth proportional to 189,272,708.70, 265,364,429.70 and 189,272,708.70 is: 265,364,429.70
Step by Step Solution
- Step 1: Write the proportion equation
189,272,708.70 : 265,364,429.70 = 189,272,708.70 : x - Step 2: Convert to fraction form
189,272,708.70/265,364,429.70 = 189,272,708.70/x - Step 3: Cross multiply
189,272,708.70x = 265,364,429.70 × 189,272,708.70 - Step 4: Simplify right side
189,272,708.70x = 50,226,244,401,949,720 - Step 5: Solve for x
x = 50,226,244,401,949,720/189,272,708.70 - Step 6: Final answer
x = 265,364,429.70
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.