Home / 54,454,999.90-81,682,499.85-54,136,135.30

Finding the Fourth Proportional to 54,454,999.90, 81,682,499.85 and 54,136,135.30

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Solution

The fourth proportional to 54,454,999.90, 81,682,499.85 and 54,136,135.30 is: 81,204,202.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,454,999.90 : 81,682,499.85 = 54,136,135.30 : x
  2. Step 2: Convert to fraction form
    54,454,999.90/81,682,499.85 = 54,136,135.30/x
  3. Step 3: Cross multiply
    54,454,999.90x = 81,682,499.85 × 54,136,135.30
  4. Step 4: Simplify right side
    54,454,999.90x = 4,421,974,863,521,829
  5. Step 5: Solve for x
    x = 4,421,974,863,521,829/54,454,999.90
  6. Step 6: Final answer
    x = 81,204,202.95

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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.