Home / 66,542,246.70-99,645,408.45-43,699,469.10

Finding the Fourth Proportional to 66,542,246.70, 99,645,408.45 and 43,699,469.10

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Solution

The fourth proportional to 66,542,246.70, 99,645,408.45 and 43,699,469.10 is: 65,438,900.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,542,246.70 : 99,645,408.45 = 43,699,469.10 : x
  2. Step 2: Convert to fraction form
    66,542,246.70/99,645,408.45 = 43,699,469.10/x
  3. Step 3: Cross multiply
    66,542,246.70x = 99,645,408.45 × 43,699,469.10
  4. Step 4: Simplify right side
    66,542,246.70x = 4,354,451,447,517,654
  5. Step 5: Solve for x
    x = 4,354,451,447,517,654/66,542,246.70
  6. Step 6: Final answer
    x = 65,438,900.30

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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.