Home / 81,432,450.84-122,122,757.88-26,834,851.20

Finding the Fourth Proportional to 81,432,450.84, 122,122,757.88 and 26,834,851.20

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Solution

The fourth proportional to 81,432,450.84, 122,122,757.88 and 26,834,851.20 is: 40,243,735.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,432,450.84 : 122,122,757.88 = 26,834,851.20 : x
  2. Step 2: Convert to fraction form
    81,432,450.84/122,122,757.88 = 26,834,851.20/x
  3. Step 3: Cross multiply
    81,432,450.84x = 122,122,757.88 × 26,834,851.20
  4. Step 4: Simplify right side
    81,432,450.84x = 3,277,146,035,843,427
  5. Step 5: Solve for x
    x = 3,277,146,035,843,427/81,432,450.84
  6. Step 6: Final answer
    x = 40,243,735.78

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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.