Home / 353,422,987.20-530,134,480.80-111,085,891.20

Finding the Fourth Proportional to 353,422,987.20, 530,134,480.80 and 111,085,891.20

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Solution

The fourth proportional to 353,422,987.20, 530,134,480.80 and 111,085,891.20 is: 166,628,836.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,422,987.20 : 530,134,480.80 = 111,085,891.20 : x
  2. Step 2: Convert to fraction form
    353,422,987.20/530,134,480.80 = 111,085,891.20/x
  3. Step 3: Cross multiply
    353,422,987.20x = 530,134,480.80 × 111,085,891.20
  4. Step 4: Simplify right side
    353,422,987.20x = 58,890,461,255,517,288
  5. Step 5: Solve for x
    x = 58,890,461,255,517,288/353,422,987.20
  6. Step 6: Final answer
    x = 166,628,836.80

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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.