Finding the Fourth Proportional to 132,164,863.74, 182,376,819.76 and 76,413,860.96
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Solution
The fourth proportional to 132,164,863.74, 182,376,819.76 and 76,413,860.96 is: 105,444,946.21
Step by Step Solution
- Step 1: Write the proportion equation
132,164,863.74 : 182,376,819.76 = 76,413,860.96 : x - Step 2: Convert to fraction form
132,164,863.74/182,376,819.76 = 76,413,860.96/x - Step 3: Cross multiply
132,164,863.74x = 182,376,819.76 × 76,413,860.96 - Step 4: Simplify right side
132,164,863.74x = 13,936,116,947,467,618 - Step 5: Solve for x
x = 13,936,116,947,467,618/132,164,863.74 - Step 6: Final answer
x = 105,444,946.21
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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.