Finding the Fourth Proportional to 38,130,201.57, 52,645,015.98 and 29,293,915.41
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Solution
The fourth proportional to 38,130,201.57, 52,645,015.98 and 29,293,915.41 is: 40,445,069.30
Step by Step Solution
- Step 1: Write the proportion equation
38,130,201.57 : 52,645,015.98 = 29,293,915.41 : x - Step 2: Convert to fraction form
38,130,201.57/52,645,015.98 = 29,293,915.41/x - Step 3: Cross multiply
38,130,201.57x = 52,645,015.98 × 29,293,915.41 - Step 4: Simplify right side
38,130,201.57x = 1,542,178,644,876,218.25 - Step 5: Solve for x
x = 1,542,178,644,876,218.25/38,130,201.57 - Step 6: Final answer
x = 40,445,069.30
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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.