Home / 67,180,827.60-100,787,233.68-21,742,622.64

Finding the Fourth Proportional to 67,180,827.60, 100,787,233.68 and 21,742,622.64

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Solution

The fourth proportional to 67,180,827.60, 100,787,233.68 and 21,742,622.64 is: 32,619,109.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,180,827.60 : 100,787,233.68 = 21,742,622.64 : x
  2. Step 2: Convert to fraction form
    67,180,827.60/100,787,233.68 = 21,742,622.64/x
  3. Step 3: Cross multiply
    67,180,827.60x = 100,787,233.68 × 21,742,622.64
  4. Step 4: Simplify right side
    67,180,827.60x = 2,191,378,788,833,738.75
  5. Step 5: Solve for x
    x = 2,191,378,788,833,738.75/67,180,827.60
  6. Step 6: Final answer
    x = 32,619,109.75

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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.