Home / 40,135,390.39-55,391,433.36-22,499,056.30

Finding the Fourth Proportional to 40,135,390.39, 55,391,433.36 and 22,499,056.30

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Solution

The fourth proportional to 40,135,390.39, 55,391,433.36 and 22,499,056.30 is: 31,051,273.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,135,390.39 : 55,391,433.36 = 22,499,056.30 : x
  2. Step 2: Convert to fraction form
    40,135,390.39/55,391,433.36 = 22,499,056.30/x
  3. Step 3: Cross multiply
    40,135,390.39x = 55,391,433.36 × 22,499,056.30
  4. Step 4: Simplify right side
    40,135,390.39x = 1,246,254,977,481,488.25
  5. Step 5: Solve for x
    x = 1,246,254,977,481,488.25/40,135,390.39
  6. Step 6: Final answer
    x = 31,051,273.34

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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.