Home / 81,060,448.91-121,603,270.50-27,220,358.03

Finding the Fourth Proportional to 81,060,448.91, 121,603,270.50 and 27,220,358.03

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Solution

The fourth proportional to 81,060,448.91, 121,603,270.50 and 27,220,358.03 is: 40,834,767.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,060,448.91 : 121,603,270.50 = 27,220,358.03 : x
  2. Step 2: Convert to fraction form
    81,060,448.91/121,603,270.50 = 27,220,358.03/x
  3. Step 3: Cross multiply
    81,060,448.91x = 121,603,270.50 × 27,220,358.03
  4. Step 4: Simplify right side
    81,060,448.91x = 3,310,084,560,020,920.50
  5. Step 5: Solve for x
    x = 3,310,084,560,020,920.50/81,060,448.91
  6. Step 6: Final answer
    x = 40,834,767.20

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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.