Home / 90,812,882.10-125,393,183.01-73,115,568.48

Finding the Fourth Proportional to 90,812,882.10, 125,393,183.01 and 73,115,568.48

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Solution

The fourth proportional to 90,812,882.10, 125,393,183.01 and 73,115,568.48 is: 100,956,974.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,812,882.10 : 125,393,183.01 = 73,115,568.48 : x
  2. Step 2: Convert to fraction form
    90,812,882.10/125,393,183.01 = 73,115,568.48/x
  3. Step 3: Cross multiply
    90,812,882.10x = 125,393,183.01 × 73,115,568.48
  4. Step 4: Simplify right side
    90,812,882.10x = 9,168,193,859,292,828
  5. Step 5: Solve for x
    x = 9,168,193,859,292,828/90,812,882.10
  6. Step 6: Final answer
    x = 100,956,974.91

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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.