Home / 238,204,481.19-328,724,495.78-137,725,374.18

Finding the Fourth Proportional to 238,204,481.19, 328,724,495.78 and 137,725,374.18

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Solution

The fourth proportional to 238,204,481.19, 328,724,495.78 and 137,725,374.18 is: 190,062,352.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,204,481.19 : 328,724,495.78 = 137,725,374.18 : x
  2. Step 2: Convert to fraction form
    238,204,481.19/328,724,495.78 = 137,725,374.18/x
  3. Step 3: Cross multiply
    238,204,481.19x = 328,724,495.78 × 137,725,374.18
  4. Step 4: Simplify right side
    238,204,481.19x = 45,273,704,183,432,328
  5. Step 5: Solve for x
    x = 45,273,704,183,432,328/238,204,481.19
  6. Step 6: Final answer
    x = 190,062,352.97

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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.