Home / 81,023,717.56-111,812,721.64-43,853,991.24

Finding the Fourth Proportional to 81,023,717.56, 111,812,721.64 and 43,853,991.24

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Solution

The fourth proportional to 81,023,717.56, 111,812,721.64 and 43,853,991.24 is: 60,518,503.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,023,717.56 : 111,812,721.64 = 43,853,991.24 : x
  2. Step 2: Convert to fraction form
    81,023,717.56/111,812,721.64 = 43,853,991.24/x
  3. Step 3: Cross multiply
    81,023,717.56x = 111,812,721.64 × 43,853,991.24
  4. Step 4: Simplify right side
    81,023,717.56x = 4,903,434,115,321,119
  5. Step 5: Solve for x
    x = 4,903,434,115,321,119/81,023,717.56
  6. Step 6: Final answer
    x = 60,518,503.26

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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.