Finding the Fourth Proportional to 272,922,791.60, 409,568,389.88 and 106,905,704.08
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Solution
The fourth proportional to 272,922,791.60, 409,568,389.88 and 106,905,704.08 is: 160,430,709.48
Step by Step Solution
- Step 1: Write the proportion equation
272,922,791.60 : 409,568,389.88 = 106,905,704.08 : x - Step 2: Convert to fraction form
272,922,791.60/409,568,389.88 = 106,905,704.08/x - Step 3: Cross multiply
272,922,791.60x = 409,568,389.88 × 106,905,704.08 - Step 4: Simplify right side
272,922,791.60x = 43,785,197,089,033,344 - Step 5: Solve for x
x = 43,785,197,089,033,344/272,922,791.60 - Step 6: Final answer
x = 160,430,709.48
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.