Home / 81,057,962.85-121,594,418.73-26,470,834.44

Finding the Fourth Proportional to 81,057,962.85, 121,594,418.73 and 26,470,834.44

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Solution

The fourth proportional to 81,057,962.85, 121,594,418.73 and 26,470,834.44 is: 39,708,692.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,057,962.85 : 121,594,418.73 = 26,470,834.44 : x
  2. Step 2: Convert to fraction form
    81,057,962.85/121,594,418.73 = 26,470,834.44/x
  3. Step 3: Cross multiply
    81,057,962.85x = 121,594,418.73 × 26,470,834.44
  4. Step 4: Simplify right side
    81,057,962.85x = 3,218,705,727,029,865.50
  5. Step 5: Solve for x
    x = 3,218,705,727,029,865.50/81,057,962.85
  6. Step 6: Final answer
    x = 39,708,692.57

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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.