Home / 67,277,987.58-100,940,401.17-21,226,966.86

Finding the Fourth Proportional to 67,277,987.58, 100,940,401.17 and 21,226,966.86

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Solution

The fourth proportional to 67,277,987.58, 100,940,401.17 and 21,226,966.86 is: 31,847,839.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,277,987.58 : 100,940,401.17 = 21,226,966.86 : x
  2. Step 2: Convert to fraction form
    67,277,987.58/100,940,401.17 = 21,226,966.86/x
  3. Step 3: Cross multiply
    67,277,987.58x = 100,940,401.17 × 21,226,966.86
  4. Step 4: Simplify right side
    67,277,987.58x = 2,142,658,550,470,695.25
  5. Step 5: Solve for x
    x = 2,142,658,550,470,695.25/67,277,987.58
  6. Step 6: Final answer
    x = 31,847,839.50

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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.