Home / 74,831,004.20-112,246,506.30-50,172,141.80

Finding the Fourth Proportional to 74,831,004.20, 112,246,506.30 and 50,172,141.80

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Solution

The fourth proportional to 74,831,004.20, 112,246,506.30 and 50,172,141.80 is: 75,258,212.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,831,004.20 : 112,246,506.30 = 50,172,141.80 : x
  2. Step 2: Convert to fraction form
    74,831,004.20/112,246,506.30 = 50,172,141.80/x
  3. Step 3: Cross multiply
    74,831,004.20x = 112,246,506.30 × 50,172,141.80
  4. Step 4: Simplify right side
    74,831,004.20x = 5,631,647,630,638,193
  5. Step 5: Solve for x
    x = 5,631,647,630,638,193/74,831,004.20
  6. Step 6: Final answer
    x = 75,258,212.70

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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.