Finding the Fourth Proportional to 75,515,739.71, 113,063,149.08 and 38,548,107.11
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Solution
The fourth proportional to 75,515,739.71, 113,063,149.08 and 38,548,107.11 is: 57,714,728.05
Step by Step Solution
- Step 1: Write the proportion equation
75,515,739.71 : 113,063,149.08 = 38,548,107.11 : x - Step 2: Convert to fraction form
75,515,739.71/113,063,149.08 = 38,548,107.11/x - Step 3: Cross multiply
75,515,739.71x = 113,063,149.08 × 38,548,107.11 - Step 4: Simplify right side
75,515,739.71x = 4,358,370,380,739,089 - Step 5: Solve for x
x = 4,358,370,380,739,089/75,515,739.71 - Step 6: Final answer
x = 57,714,728.05
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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.