Home / 238,731,243.48-358,150,273.78-72,747,738.94

Finding the Fourth Proportional to 238,731,243.48, 358,150,273.78 and 72,747,738.94

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Solution

The fourth proportional to 238,731,243.48, 358,150,273.78 and 72,747,738.94 is: 109,137,883.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,731,243.48 : 358,150,273.78 = 72,747,738.94 : x
  2. Step 2: Convert to fraction form
    238,731,243.48/358,150,273.78 = 72,747,738.94/x
  3. Step 3: Cross multiply
    238,731,243.48x = 358,150,273.78 × 72,747,738.94
  4. Step 4: Simplify right side
    238,731,243.48x = 26,054,622,618,236,964
  5. Step 5: Solve for x
    x = 26,054,622,618,236,964/238,731,243.48
  6. Step 6: Final answer
    x = 109,137,883.41

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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.