Finding the Fourth Proportional to 124,919,797.44, 172,394,707.66 and 69,165,218.90
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Solution
The fourth proportional to 124,919,797.44, 172,394,707.66 and 69,165,218.90 is: 95,450,984.85
Step by Step Solution
- Step 1: Write the proportion equation
124,919,797.44 : 172,394,707.66 = 69,165,218.90 : x - Step 2: Convert to fraction form
124,919,797.44/172,394,707.66 = 69,165,218.90/x - Step 3: Cross multiply
124,919,797.44x = 172,394,707.66 × 69,165,218.90 - Step 4: Simplify right side
124,919,797.44x = 11,923,717,692,505,408 - Step 5: Solve for x
x = 11,923,717,692,505,408/124,919,797.44 - Step 6: Final answer
x = 95,450,984.85
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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.