Home / 73,321,626.72-109,982,423.64-18,734,314.48

Finding the Fourth Proportional to 73,321,626.72, 109,982,423.64 and 18,734,314.48

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Solution

The fourth proportional to 73,321,626.72, 109,982,423.64 and 18,734,314.48 is: 28,101,467.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,321,626.72 : 109,982,423.64 = 18,734,314.48 : x
  2. Step 2: Convert to fraction form
    73,321,626.72/109,982,423.64 = 18,734,314.48/x
  3. Step 3: Cross multiply
    73,321,626.72x = 109,982,423.64 × 18,734,314.48
  4. Step 4: Simplify right side
    73,321,626.72x = 2,060,445,311,744,346.25
  5. Step 5: Solve for x
    x = 2,060,445,311,744,346.25/73,321,626.72
  6. Step 6: Final answer
    x = 28,101,467.52

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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.