Home / 67,950,267.20-101,925,400.80-20,081,211.20

Finding the Fourth Proportional to 67,950,267.20, 101,925,400.80 and 20,081,211.20

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Solution

The fourth proportional to 67,950,267.20, 101,925,400.80 and 20,081,211.20 is: 30,121,816.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,950,267.20 : 101,925,400.80 = 20,081,211.20 : x
  2. Step 2: Convert to fraction form
    67,950,267.20/101,925,400.80 = 20,081,211.20/x
  3. Step 3: Cross multiply
    67,950,267.20x = 101,925,400.80 × 20,081,211.20
  4. Step 4: Simplify right side
    67,950,267.20x = 2,046,785,500,109,448.75
  5. Step 5: Solve for x
    x = 2,046,785,500,109,448.75/67,950,267.20
  6. Step 6: Final answer
    x = 30,121,816.80

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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.