Home / 109,417,615.20-164,126,422.80-45,583,912.80

Finding the Fourth Proportional to 109,417,615.20, 164,126,422.80 and 45,583,912.80

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Solution

The fourth proportional to 109,417,615.20, 164,126,422.80 and 45,583,912.80 is: 68,375,869.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,417,615.20 : 164,126,422.80 = 45,583,912.80 : x
  2. Step 2: Convert to fraction form
    109,417,615.20/164,126,422.80 = 45,583,912.80/x
  3. Step 3: Cross multiply
    109,417,615.20x = 164,126,422.80 × 45,583,912.80
  4. Step 4: Simplify right side
    109,417,615.20x = 7,481,524,545,091,132
  5. Step 5: Solve for x
    x = 7,481,524,545,091,132/109,417,615.20
  6. Step 6: Final answer
    x = 68,375,869.20

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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.