Finding the Fourth Proportional to 127,568,774.58, 191,197,704.36 and 66,124,058.23
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Solution
The fourth proportional to 127,568,774.58, 191,197,704.36 and 66,124,058.23 is: 99,105,507.43
Step by Step Solution
- Step 1: Write the proportion equation
127,568,774.58 : 191,197,704.36 = 66,124,058.23 : x - Step 2: Convert to fraction form
127,568,774.58/191,197,704.36 = 66,124,058.23/x - Step 3: Cross multiply
127,568,774.58x = 191,197,704.36 × 66,124,058.23 - Step 4: Simplify right side
127,568,774.58x = 12,642,768,136,542,966 - Step 5: Solve for x
x = 12,642,768,136,542,966/127,568,774.58 - Step 6: Final answer
x = 99,105,507.43
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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.