Finding the Fourth Proportional to 36,121,500,934.09, 49,836,425,363.49 and 20,874,037,920.01
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Solution
The fourth proportional to 36,121,500,934.09, 49,836,425,363.49 and 20,874,037,920.01 is: 28,799,673,489.02
Step by Step Solution
- Step 1: Write the proportion equation
36,121,500,934.09 : 49,836,425,363.49 = 20,874,037,920.01 : x - Step 2: Convert to fraction form
36,121,500,934.09/49,836,425,363.49 = 20,874,037,920.01/x - Step 3: Cross multiply
36,121,500,934.09x = 49,836,425,363.49 × 20,874,037,920.01 - Step 4: Simplify right side
36,121,500,934.09x = 1,040,287,432,835,238,330,368 - Step 5: Solve for x
x = 1,040,287,432,835,238,330,368/36,121,500,934.09 - Step 6: Final answer
x = 28,799,673,489.02
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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.