Finding the Fourth Proportional to 193,628,161.38, 290,503,640.16 and 69,128,119.02
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Solution
The fourth proportional to 193,628,161.38, 290,503,640.16 and 69,128,119.02 is: 103,714,098.56
Step by Step Solution
- Step 1: Write the proportion equation
193,628,161.38 : 290,503,640.16 = 69,128,119.02 : x - Step 2: Convert to fraction form
193,628,161.38/290,503,640.16 = 69,128,119.02/x - Step 3: Cross multiply
193,628,161.38x = 290,503,640.16 × 69,128,119.02 - Step 4: Simplify right side
193,628,161.38x = 20,081,970,212,723,732 - Step 5: Solve for x
x = 20,081,970,212,723,732/193,628,161.38 - Step 6: Final answer
x = 103,714,098.56
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.