Home / 70,984,989.20-106,404,000.60-38,568,400.40

Finding the Fourth Proportional to 70,984,989.20, 106,404,000.60 and 38,568,400.40

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Solution

The fourth proportional to 70,984,989.20, 106,404,000.60 and 38,568,400.40 is: 57,812,674.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,984,989.20 : 106,404,000.60 = 38,568,400.40 : x
  2. Step 2: Convert to fraction form
    70,984,989.20/106,404,000.60 = 38,568,400.40/x
  3. Step 3: Cross multiply
    70,984,989.20x = 106,404,000.60 × 38,568,400.40
  4. Step 4: Simplify right side
    70,984,989.20x = 4,103,832,099,302,640
  5. Step 5: Solve for x
    x = 4,103,832,099,302,640/70,984,989.20
  6. Step 6: Final answer
    x = 57,812,674.84

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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.