Home / 51,085,605.40-76,628,408.10-45,542,872.60

Finding the Fourth Proportional to 51,085,605.40, 76,628,408.10 and 45,542,872.60

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Solution

The fourth proportional to 51,085,605.40, 76,628,408.10 and 45,542,872.60 is: 68,314,308.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,085,605.40 : 76,628,408.10 = 45,542,872.60 : x
  2. Step 2: Convert to fraction form
    51,085,605.40/76,628,408.10 = 45,542,872.60/x
  3. Step 3: Cross multiply
    51,085,605.40x = 76,628,408.10 × 45,542,872.60
  4. Step 4: Simplify right side
    51,085,605.40x = 3,489,877,827,639,108
  5. Step 5: Solve for x
    x = 3,489,877,827,639,108/51,085,605.40
  6. Step 6: Final answer
    x = 68,314,308.90

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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.