Home / 77,692,246.20-116,538,369.30-74,375,004.60

Finding the Fourth Proportional to 77,692,246.20, 116,538,369.30 and 74,375,004.60

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Solution

The fourth proportional to 77,692,246.20, 116,538,369.30 and 74,375,004.60 is: 111,562,506.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,692,246.20 : 116,538,369.30 = 74,375,004.60 : x
  2. Step 2: Convert to fraction form
    77,692,246.20/116,538,369.30 = 74,375,004.60/x
  3. Step 3: Cross multiply
    77,692,246.20x = 116,538,369.30 × 74,375,004.60
  4. Step 4: Simplify right side
    77,692,246.20x = 8,667,541,752,763,998
  5. Step 5: Solve for x
    x = 8,667,541,752,763,998/77,692,246.20
  6. Step 6: Final answer
    x = 111,562,506.90

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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.