Home / 65,824,640.50-98,800,645.71-31,769,959.54

Finding the Fourth Proportional to 65,824,640.50, 98,800,645.71 and 31,769,959.54

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Solution

The fourth proportional to 65,824,640.50, 98,800,645.71 and 31,769,959.54 is: 47,685,676.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,824,640.50 : 98,800,645.71 = 31,769,959.54 : x
  2. Step 2: Convert to fraction form
    65,824,640.50/98,800,645.71 = 31,769,959.54/x
  3. Step 3: Cross multiply
    65,824,640.50x = 98,800,645.71 × 31,769,959.54
  4. Step 4: Simplify right side
    65,824,640.50x = 3,138,892,516,732,574.50
  5. Step 5: Solve for x
    x = 3,138,892,516,732,574.50/65,824,640.50
  6. Step 6: Final answer
    x = 47,685,676.56

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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.