Home / 74,263,378.88-111,369,843.30-25,729,905.44

Finding the Fourth Proportional to 74,263,378.88, 111,369,843.30 and 25,729,905.44

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Solution

The fourth proportional to 74,263,378.88, 111,369,843.30 and 25,729,905.44 is: 38,586,118.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,263,378.88 : 111,369,843.30 = 25,729,905.44 : x
  2. Step 2: Convert to fraction form
    74,263,378.88/111,369,843.30 = 25,729,905.44/x
  3. Step 3: Cross multiply
    74,263,378.88x = 111,369,843.30 × 25,729,905.44
  4. Step 4: Simplify right side
    74,263,378.88x = 2,865,535,536,976,617.50
  5. Step 5: Solve for x
    x = 2,865,535,536,976,617.50/74,263,378.88
  6. Step 6: Final answer
    x = 38,586,118.49

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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.