Home / 113,589,103.20-156,765,416.76-65,914,859.22

Finding the Fourth Proportional to 113,589,103.20, 156,765,416.76 and 65,914,859.22

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Solution

The fourth proportional to 113,589,103.20, 156,765,416.76 and 65,914,859.22 is: 90,969,732.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,589,103.20 : 156,765,416.76 = 65,914,859.22 : x
  2. Step 2: Convert to fraction form
    113,589,103.20/156,765,416.76 = 65,914,859.22/x
  3. Step 3: Cross multiply
    113,589,103.20x = 156,765,416.76 × 65,914,859.22
  4. Step 4: Simplify right side
    113,589,103.20x = 10,333,170,376,300,028
  5. Step 5: Solve for x
    x = 10,333,170,376,300,028/113,589,103.20
  6. Step 6: Final answer
    x = 90,969,732.88

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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.