Home / 90,410,334.87-124,765,385.25-49,157,227.25

Finding the Fourth Proportional to 90,410,334.87, 124,765,385.25 and 49,157,227.25

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Solution

The fourth proportional to 90,410,334.87, 124,765,385.25 and 49,157,227.25 is: 67,836,496.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,410,334.87 : 124,765,385.25 = 49,157,227.25 : x
  2. Step 2: Convert to fraction form
    90,410,334.87/124,765,385.25 = 49,157,227.25/x
  3. Step 3: Cross multiply
    90,410,334.87x = 124,765,385.25 × 49,157,227.25
  4. Step 4: Simplify right side
    90,410,334.87x = 6,133,120,395,420,167
  5. Step 5: Solve for x
    x = 6,133,120,395,420,167/90,410,334.87
  6. Step 6: Final answer
    x = 67,836,496.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.