Home / 69,899,008.20-104,848,512.30-39,288,006.60

Finding the Fourth Proportional to 69,899,008.20, 104,848,512.30 and 39,288,006.60

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Solution

The fourth proportional to 69,899,008.20, 104,848,512.30 and 39,288,006.60 is: 58,932,009.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,899,008.20 : 104,848,512.30 = 39,288,006.60 : x
  2. Step 2: Convert to fraction form
    69,899,008.20/104,848,512.30 = 39,288,006.60/x
  3. Step 3: Cross multiply
    69,899,008.20x = 104,848,512.30 × 39,288,006.60
  4. Step 4: Simplify right side
    69,899,008.20x = 4,119,289,043,242,581
  5. Step 5: Solve for x
    x = 4,119,289,043,242,581/69,899,008.20
  6. Step 6: Final answer
    x = 58,932,009.90

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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.