Home / 74,445,008.20-111,667,512.30-55,313,132.20

Finding the Fourth Proportional to 74,445,008.20, 111,667,512.30 and 55,313,132.20

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Solution

The fourth proportional to 74,445,008.20, 111,667,512.30 and 55,313,132.20 is: 82,969,698.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,445,008.20 : 111,667,512.30 = 55,313,132.20 : x
  2. Step 2: Convert to fraction form
    74,445,008.20/111,667,512.30 = 55,313,132.20/x
  3. Step 3: Cross multiply
    74,445,008.20x = 111,667,512.30 × 55,313,132.20
  4. Step 4: Simplify right side
    74,445,008.20x = 6,176,679,870,295,026
  5. Step 5: Solve for x
    x = 6,176,679,870,295,026/74,445,008.20
  6. Step 6: Final answer
    x = 82,969,698.30

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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.