Finding the Fourth Proportional to 225,449,916.71, 338,068,285.54 and 87,340,225.19
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Solution
The fourth proportional to 225,449,916.71, 338,068,285.54 and 87,340,225.19 is: 130,969,044.56
Step by Step Solution
- Step 1: Write the proportion equation
225,449,916.71 : 338,068,285.54 = 87,340,225.19 : x - Step 2: Convert to fraction form
225,449,916.71/338,068,285.54 = 87,340,225.19/x - Step 3: Cross multiply
225,449,916.71x = 338,068,285.54 × 87,340,225.19 - Step 4: Simplify right side
225,449,916.71x = 29,526,960,186,533,780 - Step 5: Solve for x
x = 29,526,960,186,533,780/225,449,916.71 - Step 6: Final answer
x = 130,969,044.56
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.