Finding the Fourth Proportional to 219,147,097.31, 302,427,889.70 and 125,059,371.03
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Solution
The fourth proportional to 219,147,097.31, 302,427,889.70 and 125,059,371.03 is: 172,584,725.66
Step by Step Solution
- Step 1: Write the proportion equation
219,147,097.31 : 302,427,889.70 = 125,059,371.03 : x - Step 2: Convert to fraction form
219,147,097.31/302,427,889.70 = 125,059,371.03/x - Step 3: Cross multiply
219,147,097.31x = 302,427,889.70 × 125,059,371.03 - Step 4: Simplify right side
219,147,097.31x = 37,821,441,667,186,920 - Step 5: Solve for x
x = 37,821,441,667,186,920/219,147,097.31 - Step 6: Final answer
x = 172,584,725.66
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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.