Home / 108,659,014.68-162,970,804.56-31,964,106.36

Finding the Fourth Proportional to 108,659,014.68, 162,970,804.56 and 31,964,106.36

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Solution

The fourth proportional to 108,659,014.68, 162,970,804.56 and 31,964,106.36 is: 47,940,947.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,659,014.68 : 162,970,804.56 = 31,964,106.36 : x
  2. Step 2: Convert to fraction form
    108,659,014.68/162,970,804.56 = 31,964,106.36/x
  3. Step 3: Cross multiply
    108,659,014.68x = 162,970,804.56 × 31,964,106.36
  4. Step 4: Simplify right side
    108,659,014.68x = 5,209,216,130,530,613
  5. Step 5: Solve for x
    x = 5,209,216,130,530,613/108,659,014.68
  6. Step 6: Final answer
    x = 47,940,947.61

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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.