Home / 81,100,549.41-111,919,295.58-43,930,829.69

Finding the Fourth Proportional to 81,100,549.41, 111,919,295.58 and 43,930,829.69

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Solution

The fourth proportional to 81,100,549.41, 111,919,295.58 and 43,930,829.69 is: 60,624,836.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,100,549.41 : 111,919,295.58 = 43,930,829.69 : x
  2. Step 2: Convert to fraction form
    81,100,549.41/111,919,295.58 = 43,930,829.69/x
  3. Step 3: Cross multiply
    81,100,549.41x = 111,919,295.58 × 43,930,829.69
  4. Step 4: Simplify right side
    81,100,549.41x = 4,916,707,512,590,153
  5. Step 5: Solve for x
    x = 4,916,707,512,590,153/81,100,549.41
  6. Step 6: Final answer
    x = 60,624,836.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.