Home / 65,824,638.50-98,800,642.71-31,769,957.54

Finding the Fourth Proportional to 65,824,638.50, 98,800,642.71 and 31,769,957.54

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Solution

The fourth proportional to 65,824,638.50, 98,800,642.71 and 31,769,957.54 is: 47,685,673.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,824,638.50 : 98,800,642.71 = 31,769,957.54 : x
  2. Step 2: Convert to fraction form
    65,824,638.50/98,800,642.71 = 31,769,957.54/x
  3. Step 3: Cross multiply
    65,824,638.50x = 98,800,642.71 × 31,769,957.54
  4. Step 4: Simplify right side
    65,824,638.50x = 3,138,892,223,821,410
  5. Step 5: Solve for x
    x = 3,138,892,223,821,410/65,824,638.50
  6. Step 6: Final answer
    x = 47,685,673.56

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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.