Home / 219,794,140.20-329,691,210.30-133,558,980.60

Finding the Fourth Proportional to 219,794,140.20, 329,691,210.30 and 133,558,980.60

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Solution

The fourth proportional to 219,794,140.20, 329,691,210.30 and 133,558,980.60 is: 200,338,470.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,794,140.20 : 329,691,210.30 = 133,558,980.60 : x
  2. Step 2: Convert to fraction form
    219,794,140.20/329,691,210.30 = 133,558,980.60/x
  3. Step 3: Cross multiply
    219,794,140.20x = 329,691,210.30 × 133,558,980.60
  4. Step 4: Simplify right side
    219,794,140.20x = 44,033,221,960,448,216
  5. Step 5: Solve for x
    x = 44,033,221,960,448,216/219,794,140.20
  6. Step 6: Final answer
    x = 200,338,470.90

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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.