Home / 108,659,015.68-162,970,806.06-31,964,107.36

Finding the Fourth Proportional to 108,659,015.68, 162,970,806.06 and 31,964,107.36

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Solution

The fourth proportional to 108,659,015.68, 162,970,806.06 and 31,964,107.36 is: 47,940,949.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,659,015.68 : 162,970,806.06 = 31,964,107.36 : x
  2. Step 2: Convert to fraction form
    108,659,015.68/162,970,806.06 = 31,964,107.36/x
  3. Step 3: Cross multiply
    108,659,015.68x = 162,970,806.06 × 31,964,107.36
  4. Step 4: Simplify right side
    108,659,015.68x = 5,209,216,341,447,579
  5. Step 5: Solve for x
    x = 5,209,216,341,447,579/108,659,015.68
  6. Step 6: Final answer
    x = 47,940,949.11

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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.