Home / 73,214,621.40-109,821,932.10-18,627,101.40

Finding the Fourth Proportional to 73,214,621.40, 109,821,932.10 and 18,627,101.40

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Solution

The fourth proportional to 73,214,621.40, 109,821,932.10 and 18,627,101.40 is: 27,940,652.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,214,621.40 : 109,821,932.10 = 18,627,101.40 : x
  2. Step 2: Convert to fraction form
    73,214,621.40/109,821,932.10 = 18,627,101.40/x
  3. Step 3: Cross multiply
    73,214,621.40x = 109,821,932.10 × 18,627,101.40
  4. Step 4: Simplify right side
    73,214,621.40x = 2,045,664,265,170,614.75
  5. Step 5: Solve for x
    x = 2,045,664,265,170,614.75/73,214,621.40
  6. Step 6: Final answer
    x = 27,940,652.10

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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.