Home / 239,171,369.37-358,722,989.25-75,387,840.63

Finding the Fourth Proportional to 239,171,369.37, 358,722,989.25 and 75,387,840.63

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Solution

The fourth proportional to 239,171,369.37, 358,722,989.25 and 75,387,840.63 is: 113,071,023.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,171,369.37 : 358,722,989.25 = 75,387,840.63 : x
  2. Step 2: Convert to fraction form
    239,171,369.37/358,722,989.25 = 75,387,840.63/x
  3. Step 3: Cross multiply
    239,171,369.37x = 358,722,989.25 × 75,387,840.63
  4. Step 4: Simplify right side
    239,171,369.37x = 27,043,351,543,896,200
  5. Step 5: Solve for x
    x = 27,043,351,543,896,200/239,171,369.37
  6. Step 6: Final answer
    x = 113,071,023.57

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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.