Finding the Fourth Proportional to 233,959,819.20, 322,874,636.88 and 129,537,889.68
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Solution
The fourth proportional to 233,959,819.20, 322,874,636.88 and 129,537,889.68 is: 178,767,872.35
Step by Step Solution
- Step 1: Write the proportion equation
233,959,819.20 : 322,874,636.88 = 129,537,889.68 : x - Step 2: Convert to fraction form
233,959,819.20/322,874,636.88 = 129,537,889.68/x - Step 3: Cross multiply
233,959,819.20x = 322,874,636.88 × 129,537,889.68 - Step 4: Simplify right side
233,959,819.20x = 41,824,499,092,631,504 - Step 5: Solve for x
x = 41,824,499,092,631,504/233,959,819.20 - Step 6: Final answer
x = 178,767,872.35
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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.