Home / 90,647,132.40-135,970,698.60-63,384,209.10

Finding the Fourth Proportional to 90,647,132.40, 135,970,698.60 and 63,384,209.10

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Solution

The fourth proportional to 90,647,132.40, 135,970,698.60 and 63,384,209.10 is: 95,076,313.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,647,132.40 : 135,970,698.60 = 63,384,209.10 : x
  2. Step 2: Convert to fraction form
    90,647,132.40/135,970,698.60 = 63,384,209.10/x
  3. Step 3: Cross multiply
    90,647,132.40x = 135,970,698.60 × 63,384,209.10
  4. Step 4: Simplify right side
    90,647,132.40x = 8,618,395,191,535,477
  5. Step 5: Solve for x
    x = 8,618,395,191,535,477/90,647,132.40
  6. Step 6: Final answer
    x = 95,076,313.65

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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.