Finding the Fourth Proportional to 186,283,343.90, 257,072,734.86 and 102,654,465.68
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Solution
The fourth proportional to 186,283,343.90, 257,072,734.86 and 102,654,465.68 is: 141,664,110.63
Step by Step Solution
- Step 1: Write the proportion equation
186,283,343.90 : 257,072,734.86 = 102,654,465.68 : x - Step 2: Convert to fraction form
186,283,343.90/257,072,734.86 = 102,654,465.68/x - Step 3: Cross multiply
186,283,343.90x = 257,072,734.86 × 102,654,465.68 - Step 4: Simplify right side
186,283,343.90x = 26,389,664,237,949,612 - Step 5: Solve for x
x = 26,389,664,237,949,612/186,283,343.90 - Step 6: Final answer
x = 141,664,110.63
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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.