Home / 72,393,628.68-108,529,219.14-31,422,273.48

Finding the Fourth Proportional to 72,393,628.68, 108,529,219.14 and 31,422,273.48

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Solution

The fourth proportional to 72,393,628.68, 108,529,219.14 and 31,422,273.48 is: 47,106,836.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,393,628.68 : 108,529,219.14 = 31,422,273.48 : x
  2. Step 2: Convert to fraction form
    72,393,628.68/108,529,219.14 = 31,422,273.48/x
  3. Step 3: Cross multiply
    72,393,628.68x = 108,529,219.14 × 31,422,273.48
  4. Step 4: Simplify right side
    72,393,628.68x = 3,410,234,804,387,930.50
  5. Step 5: Solve for x
    x = 3,410,234,804,387,930.50/72,393,628.68
  6. Step 6: Final answer
    x = 47,106,836.15

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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.