Home / 67,180,885.92-100,787,319.12-21,742,680.48

Finding the Fourth Proportional to 67,180,885.92, 100,787,319.12 and 21,742,680.48

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Solution

The fourth proportional to 67,180,885.92, 100,787,319.12 and 21,742,680.48 is: 32,619,195.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,180,885.92 : 100,787,319.12 = 21,742,680.48 : x
  2. Step 2: Convert to fraction form
    67,180,885.92/100,787,319.12 = 21,742,680.48/x
  3. Step 3: Cross multiply
    67,180,885.92x = 100,787,319.12 × 21,742,680.48
  4. Step 4: Simplify right side
    67,180,885.92x = 2,191,386,476,061,955
  5. Step 5: Solve for x
    x = 2,191,386,476,061,955/67,180,885.92
  6. Step 6: Final answer
    x = 32,619,195.86

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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.