Home / 74,307,612.60-111,461,418.90-55,175,736.60

Finding the Fourth Proportional to 74,307,612.60, 111,461,418.90 and 55,175,736.60

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Solution

The fourth proportional to 74,307,612.60, 111,461,418.90 and 55,175,736.60 is: 82,763,604.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,307,612.60 : 111,461,418.90 = 55,175,736.60 : x
  2. Step 2: Convert to fraction form
    74,307,612.60/111,461,418.90 = 55,175,736.60/x
  3. Step 3: Cross multiply
    74,307,612.60x = 111,461,418.90 × 55,175,736.60
  4. Step 4: Simplify right side
    74,307,612.60x = 6,149,965,890,288,662
  5. Step 5: Solve for x
    x = 6,149,965,890,288,662/74,307,612.60
  6. Step 6: Final answer
    x = 82,763,604.90

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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.