Home / 80,371,504.80-120,557,257.20-25,783,984.80

Finding the Fourth Proportional to 80,371,504.80, 120,557,257.20 and 25,783,984.80

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Solution

The fourth proportional to 80,371,504.80, 120,557,257.20 and 25,783,984.80 is: 38,675,977.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,371,504.80 : 120,557,257.20 = 25,783,984.80 : x
  2. Step 2: Convert to fraction form
    80,371,504.80/120,557,257.20 = 25,783,984.80/x
  3. Step 3: Cross multiply
    80,371,504.80x = 120,557,257.20 × 25,783,984.80
  4. Step 4: Simplify right side
    80,371,504.80x = 3,108,446,487,174,490.50
  5. Step 5: Solve for x
    x = 3,108,446,487,174,490.50/80,371,504.80
  6. Step 6: Final answer
    x = 38,675,977.20

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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.