Home / 66,508,927.20-99,595,429.20-43,666,149.60

Finding the Fourth Proportional to 66,508,927.20, 99,595,429.20 and 43,666,149.60

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Solution

The fourth proportional to 66,508,927.20, 99,595,429.20 and 43,666,149.60 is: 65,388,949.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,508,927.20 : 99,595,429.20 = 43,666,149.60 : x
  2. Step 2: Convert to fraction form
    66,508,927.20/99,595,429.20 = 43,666,149.60/x
  3. Step 3: Cross multiply
    66,508,927.20x = 99,595,429.20 × 43,666,149.60
  4. Step 4: Simplify right side
    66,508,927.20x = 4,348,948,910,923,408.50
  5. Step 5: Solve for x
    x = 4,348,948,910,923,408.50/66,508,927.20
  6. Step 6: Final answer
    x = 65,388,949.94

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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.