Home / 190,259,190.28-262,553,216.52-111,947,815.72

Finding the Fourth Proportional to 190,259,190.28, 262,553,216.52 and 111,947,815.72

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Solution

The fourth proportional to 190,259,190.28, 262,553,216.52 and 111,947,815.72 is: 154,485,357.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,259,190.28 : 262,553,216.52 = 111,947,815.72 : x
  2. Step 2: Convert to fraction form
    190,259,190.28/262,553,216.52 = 111,947,815.72/x
  3. Step 3: Cross multiply
    190,259,190.28x = 262,553,216.52 × 111,947,815.72
  4. Step 4: Simplify right side
    190,259,190.28x = 29,392,259,099,674,220
  5. Step 5: Solve for x
    x = 29,392,259,099,674,220/190,259,190.28
  6. Step 6: Final answer
    x = 154,485,357.88

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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.