Home / 81,023,765.54-111,812,787.72-43,854,039

Finding the Fourth Proportional to 81,023,765.54, 111,812,787.72 and 43,854,039

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Solution

The fourth proportional to 81,023,765.54, 111,812,787.72 and 43,854,039 is: 60,518,569.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,023,765.54 : 111,812,787.72 = 43,854,039 : x
  2. Step 2: Convert to fraction form
    81,023,765.54/111,812,787.72 = 43,854,039/x
  3. Step 3: Cross multiply
    81,023,765.54x = 111,812,787.72 × 43,854,039
  4. Step 4: Simplify right side
    81,023,765.54x = 4,903,442,353,371,601
  5. Step 5: Solve for x
    x = 4,903,442,353,371,601/81,023,765.54
  6. Step 6: Final answer
    x = 60,518,569.10

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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.