Finding the Fourth Proportional to 127,874,801.36, 176,466,893.96 and 71,358,954.71
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Solution
The fourth proportional to 127,874,801.36, 176,466,893.96 and 71,358,954.71 is: 98,475,172.28
Step by Step Solution
- Step 1: Write the proportion equation
127,874,801.36 : 176,466,893.96 = 71,358,954.71 : x - Step 2: Convert to fraction form
127,874,801.36/176,466,893.96 = 71,358,954.71/x - Step 3: Cross multiply
127,874,801.36x = 176,466,893.96 × 71,358,954.71 - Step 4: Simplify right side
127,874,801.36x = 12,592,493,093,465,698 - Step 5: Solve for x
x = 12,592,493,093,465,698/127,874,801.36 - Step 6: Final answer
x = 98,475,172.28
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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.