Home / 135,015,235.28-186,321,919.20-73,135,573.28

Finding the Fourth Proportional to 135,015,235.28, 186,321,919.20 and 73,135,573.28

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Solution

The fourth proportional to 135,015,235.28, 186,321,919.20 and 73,135,573.28 is: 100,927,575.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,015,235.28 : 186,321,919.20 = 73,135,573.28 : x
  2. Step 2: Convert to fraction form
    135,015,235.28/186,321,919.20 = 73,135,573.28/x
  3. Step 3: Cross multiply
    135,015,235.28x = 186,321,919.20 × 73,135,573.28
  4. Step 4: Simplify right side
    135,015,235.28x = 13,626,760,375,321,838
  5. Step 5: Solve for x
    x = 13,626,760,375,321,838/135,015,235.28
  6. Step 6: Final answer
    x = 100,927,575.67

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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.