Home / 111,727,942.38-167,483,219.67-53,420,466.60

Finding the Fourth Proportional to 111,727,942.38, 167,483,219.67 and 53,420,466.60

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Solution

The fourth proportional to 111,727,942.38, 167,483,219.67 and 53,420,466.60 is: 80,078,730.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,727,942.38 : 167,483,219.67 = 53,420,466.60 : x
  2. Step 2: Convert to fraction form
    111,727,942.38/167,483,219.67 = 53,420,466.60/x
  3. Step 3: Cross multiply
    111,727,942.38x = 167,483,219.67 × 53,420,466.60
  4. Step 4: Simplify right side
    111,727,942.38x = 8,947,031,742,441,698
  5. Step 5: Solve for x
    x = 8,947,031,742,441,698/111,727,942.38
  6. Step 6: Final answer
    x = 80,078,730.10

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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.