Finding the Fourth Proportional to 186,351,872.64, 257,177,090.13 and 102,719,814.91
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Solution
The fourth proportional to 186,351,872.64, 257,177,090.13 and 102,719,814.91 is: 141,759,686.78
Step by Step Solution
- Step 1: Write the proportion equation
186,351,872.64 : 257,177,090.13 = 102,719,814.91 : x - Step 2: Convert to fraction form
186,351,872.64/257,177,090.13 = 102,719,814.91/x - Step 3: Cross multiply
186,351,872.64x = 257,177,090.13 × 102,719,814.91 - Step 4: Simplify right side
186,351,872.64x = 26,417,183,096,217,844 - Step 5: Solve for x
x = 26,417,183,096,217,844/186,351,872.64 - Step 6: Final answer
x = 141,759,686.78
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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.