Home / 81,005,646.33-111,786,940.22-43,835,112.99

Finding the Fourth Proportional to 81,005,646.33, 111,786,940.22 and 43,835,112.99

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Solution

The fourth proportional to 81,005,646.33, 111,786,940.22 and 43,835,112.99 is: 60,491,995.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,005,646.33 : 111,786,940.22 = 43,835,112.99 : x
  2. Step 2: Convert to fraction form
    81,005,646.33/111,786,940.22 = 43,835,112.99/x
  3. Step 3: Cross multiply
    81,005,646.33x = 111,786,940.22 × 43,835,112.99
  4. Step 4: Simplify right side
    81,005,646.33x = 4,900,193,155,130,900
  5. Step 5: Solve for x
    x = 4,900,193,155,130,900/81,005,646.33
  6. Step 6: Final answer
    x = 60,491,995.03

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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.