Home / 67,180,741.03-100,787,103.38-21,742,535.53

Finding the Fourth Proportional to 67,180,741.03, 100,787,103.38 and 21,742,535.53

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Solution

The fourth proportional to 67,180,741.03, 100,787,103.38 and 21,742,535.53 is: 32,618,978.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,180,741.03 : 100,787,103.38 = 21,742,535.53 : x
  2. Step 2: Convert to fraction form
    67,180,741.03/100,787,103.38 = 21,742,535.53/x
  3. Step 3: Cross multiply
    67,180,741.03x = 100,787,103.38 × 21,742,535.53
  4. Step 4: Simplify right side
    67,180,741.03x = 2,191,367,176,205,433
  5. Step 5: Solve for x
    x = 2,191,367,176,205,433/67,180,741.03
  6. Step 6: Final answer
    x = 32,618,978.93

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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.