Finding the Fourth Proportional to 122,373,672.08, 168,885,540.36 and 70,167,565.04
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Solution
The fourth proportional to 122,373,672.08, 168,885,540.36 and 70,167,565.04 is: 96,836,900.75
Step by Step Solution
- Step 1: Write the proportion equation
122,373,672.08 : 168,885,540.36 = 70,167,565.04 : x - Step 2: Convert to fraction form
122,373,672.08/168,885,540.36 = 70,167,565.04/x - Step 3: Cross multiply
122,373,672.08x = 168,885,540.36 × 70,167,565.04 - Step 4: Simplify right side
122,373,672.08x = 11,850,287,137,525,848 - Step 5: Solve for x
x = 11,850,287,137,525,848/122,373,672.08 - Step 6: Final answer
x = 96,836,900.75
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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.