Home / 49,133,051.28-73,709,023.32-18,838,551.76

Finding the Fourth Proportional to 49,133,051.28, 73,709,023.32 and 18,838,551.76

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Solution

The fourth proportional to 49,133,051.28, 73,709,023.32 and 18,838,551.76 is: 28,261,449.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,133,051.28 : 73,709,023.32 = 18,838,551.76 : x
  2. Step 2: Convert to fraction form
    49,133,051.28/73,709,023.32 = 18,838,551.76/x
  3. Step 3: Cross multiply
    49,133,051.28x = 73,709,023.32 × 18,838,551.76
  4. Step 4: Simplify right side
    49,133,051.28x = 1,388,571,250,992,867
  5. Step 5: Solve for x
    x = 1,388,571,250,992,867/49,133,051.28
  6. Step 6: Final answer
    x = 28,261,449.57

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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.