Home / 39,979,109.30-55,171,535.88-23,459,509.17

Finding the Fourth Proportional to 39,979,109.30, 55,171,535.88 and 23,459,509.17

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Solution

The fourth proportional to 39,979,109.30, 55,171,535.88 and 23,459,509.17 is: 32,374,336.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,979,109.30 : 55,171,535.88 = 23,459,509.17 : x
  2. Step 2: Convert to fraction form
    39,979,109.30/55,171,535.88 = 23,459,509.17/x
  3. Step 3: Cross multiply
    39,979,109.30x = 55,171,535.88 × 23,459,509.17
  4. Step 4: Simplify right side
    39,979,109.30x = 1,294,297,151,684,731.25
  5. Step 5: Solve for x
    x = 1,294,297,151,684,731.25/39,979,109.30
  6. Step 6: Final answer
    x = 32,374,336.85

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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.