Home / 89,842,842.87-123,983,121.74-48,589,735.11

Finding the Fourth Proportional to 89,842,842.87, 123,983,121.74 and 48,589,735.11

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Solution

The fourth proportional to 89,842,842.87, 123,983,121.74 and 48,589,735.11 is: 67,053,833.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,842,842.87 : 123,983,121.74 = 48,589,735.11 : x
  2. Step 2: Convert to fraction form
    89,842,842.87/123,983,121.74 = 48,589,735.11/x
  3. Step 3: Cross multiply
    89,842,842.87x = 123,983,121.74 × 48,589,735.11
  4. Step 4: Simplify right side
    89,842,842.87x = 6,024,307,043,214,534
  5. Step 5: Solve for x
    x = 6,024,307,043,214,534/89,842,842.87
  6. Step 6: Final answer
    x = 67,053,833.68

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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.