Home / 69,448,155.30-104,162,092.83-20,250,788.40

Finding the Fourth Proportional to 69,448,155.30, 104,162,092.83 and 20,250,788.40

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Solution

The fourth proportional to 69,448,155.30, 104,162,092.83 and 20,250,788.40 is: 30,373,225.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,448,155.30 : 104,162,092.83 = 20,250,788.40 : x
  2. Step 2: Convert to fraction form
    69,448,155.30/104,162,092.83 = 20,250,788.40/x
  3. Step 3: Cross multiply
    69,448,155.30x = 104,162,092.83 × 20,250,788.40
  4. Step 4: Simplify right side
    69,448,155.30x = 2,109,364,501,201,487
  5. Step 5: Solve for x
    x = 2,109,364,501,201,487/69,448,155.30
  6. Step 6: Final answer
    x = 30,373,225.78

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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.