Home / 67,180,750.28-100,787,117.28-21,742,544.78

Finding the Fourth Proportional to 67,180,750.28, 100,787,117.28 and 21,742,544.78

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Solution

The fourth proportional to 67,180,750.28, 100,787,117.28 and 21,742,544.78 is: 32,618,992.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,180,750.28 : 100,787,117.28 = 21,742,544.78 : x
  2. Step 2: Convert to fraction form
    67,180,750.28/100,787,117.28 = 21,742,544.78/x
  3. Step 3: Cross multiply
    67,180,750.28x = 100,787,117.28 × 21,742,544.78
  4. Step 4: Simplify right side
    67,180,750.28x = 2,191,368,410,707,512
  5. Step 5: Solve for x
    x = 2,191,368,410,707,512/67,180,750.28
  6. Step 6: Final answer
    x = 32,618,992.82

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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.