Home / 156,546,859.23-234,616,016.21-87,456,872.03

Finding the Fourth Proportional to 156,546,859.23, 234,616,016.21 and 87,456,872.03

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Solution

The fourth proportional to 156,546,859.23, 234,616,016.21 and 87,456,872.03 is: 131,071,188.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,546,859.23 : 234,616,016.21 = 87,456,872.03 : x
  2. Step 2: Convert to fraction form
    156,546,859.23/234,616,016.21 = 87,456,872.03/x
  3. Step 3: Cross multiply
    156,546,859.23x = 234,616,016.21 × 87,456,872.03
  4. Step 4: Simplify right side
    156,546,859.23x = 20,518,782,905,433,176
  5. Step 5: Solve for x
    x = 20,518,782,905,433,176/156,546,859.23
  6. Step 6: Final answer
    x = 131,071,188.56

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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.