Home / 74,276,880.60-111,415,320.90-55,145,004.60

Finding the Fourth Proportional to 74,276,880.60, 111,415,320.90 and 55,145,004.60

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Solution

The fourth proportional to 74,276,880.60, 111,415,320.90 and 55,145,004.60 is: 82,717,506.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,276,880.60 : 111,415,320.90 = 55,145,004.60 : x
  2. Step 2: Convert to fraction form
    74,276,880.60/111,415,320.90 = 55,145,004.60/x
  3. Step 3: Cross multiply
    74,276,880.60x = 111,415,320.90 × 55,145,004.60
  4. Step 4: Simplify right side
    74,276,880.60x = 6,143,998,383,540,977
  5. Step 5: Solve for x
    x = 6,143,998,383,540,977/74,276,880.60
  6. Step 6: Final answer
    x = 82,717,506.90

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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.