Finding the Fourth Proportional to 286,424,107.43, 395,196,318.63 and 167,279,132.21
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Solution
The fourth proportional to 286,424,107.43, 395,196,318.63 and 167,279,132.21 is: 230,804,934.07
Step by Step Solution
- Step 1: Write the proportion equation
286,424,107.43 : 395,196,318.63 = 167,279,132.21 : x - Step 2: Convert to fraction form
286,424,107.43/395,196,318.63 = 167,279,132.21/x - Step 3: Cross multiply
286,424,107.43x = 395,196,318.63 × 167,279,132.21 - Step 4: Simplify right side
286,424,107.43x = 66,108,097,231,037,080 - Step 5: Solve for x
x = 66,108,097,231,037,080/286,424,107.43 - Step 6: Final answer
x = 230,804,934.07
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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.