Home / 101,624,758.89-140,243,442.75-55,215,787.83

Finding the Fourth Proportional to 101,624,758.89, 140,243,442.75 and 55,215,787.83

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Solution

The fourth proportional to 101,624,758.89, 140,243,442.75 and 55,215,787.83 is: 76,198,480.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,624,758.89 : 140,243,442.75 = 55,215,787.83 : x
  2. Step 2: Convert to fraction form
    101,624,758.89/140,243,442.75 = 55,215,787.83/x
  3. Step 3: Cross multiply
    101,624,758.89x = 140,243,442.75 × 55,215,787.83
  4. Step 4: Simplify right side
    101,624,758.89x = 7,743,652,179,432,751
  5. Step 5: Solve for x
    x = 7,743,652,179,432,751/101,624,758.89
  6. Step 6: Final answer
    x = 76,198,480.21

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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.