Home / 248,011,869.20-372,025,860.39-73,120,237.25

Finding the Fourth Proportional to 248,011,869.20, 372,025,860.39 and 73,120,237.25

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Solution

The fourth proportional to 248,011,869.20, 372,025,860.39 and 73,120,237.25 is: 109,682,731.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,011,869.20 : 372,025,860.39 = 73,120,237.25 : x
  2. Step 2: Convert to fraction form
    248,011,869.20/372,025,860.39 = 73,120,237.25/x
  3. Step 3: Cross multiply
    248,011,869.20x = 372,025,860.39 × 73,120,237.25
  4. Step 4: Simplify right side
    248,011,869.20x = 27,202,619,172,992,048
  5. Step 5: Solve for x
    x = 27,202,619,172,992,048/248,011,869.20
  6. Step 6: Final answer
    x = 109,682,731.16

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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.