Home / 84,612,629.52-126,937,217.52-26,319,198.60

Finding the Fourth Proportional to 84,612,629.52, 126,937,217.52 and 26,319,198.60

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Solution

The fourth proportional to 84,612,629.52, 126,937,217.52 and 26,319,198.60 is: 39,484,481.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,612,629.52 : 126,937,217.52 = 26,319,198.60 : x
  2. Step 2: Convert to fraction form
    84,612,629.52/126,937,217.52 = 26,319,198.60/x
  3. Step 3: Cross multiply
    84,612,629.52x = 126,937,217.52 × 26,319,198.60
  4. Step 4: Simplify right side
    84,612,629.52x = 3,340,885,837,640,279.50
  5. Step 5: Solve for x
    x = 3,340,885,837,640,279.50/84,612,629.52
  6. Step 6: Final answer
    x = 39,484,481.89

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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.