Home / 66,498,451.20-99,747,676.80-43,804,972.80

Finding the Fourth Proportional to 66,498,451.20, 99,747,676.80 and 43,804,972.80

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Solution

The fourth proportional to 66,498,451.20, 99,747,676.80 and 43,804,972.80 is: 65,707,459.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,498,451.20 : 99,747,676.80 = 43,804,972.80 : x
  2. Step 2: Convert to fraction form
    66,498,451.20/99,747,676.80 = 43,804,972.80/x
  3. Step 3: Cross multiply
    66,498,451.20x = 99,747,676.80 × 43,804,972.80
  4. Step 4: Simplify right side
    66,498,451.20x = 4,369,444,269,087,190.50
  5. Step 5: Solve for x
    x = 4,369,444,269,087,190.50/66,498,451.20
  6. Step 6: Final answer
    x = 65,707,459.20

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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.