Home / 39,967,198.62-55,157,938.56-31,774,869.54

Finding the Fourth Proportional to 39,967,198.62, 55,157,938.56 and 31,774,869.54

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Solution

The fourth proportional to 39,967,198.62, 55,157,938.56 and 31,774,869.54 is: 43,851,867.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,967,198.62 : 55,157,938.56 = 31,774,869.54 : x
  2. Step 2: Convert to fraction form
    39,967,198.62/55,157,938.56 = 31,774,869.54/x
  3. Step 3: Cross multiply
    39,967,198.62x = 55,157,938.56 × 31,774,869.54
  4. Step 4: Simplify right side
    39,967,198.62x = 1,752,636,301,839,335.50
  5. Step 5: Solve for x
    x = 1,752,636,301,839,335.50/39,967,198.62
  6. Step 6: Final answer
    x = 43,851,867.59

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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.